{
  "slug": "email-deliverability-statistics",
  "title": "Email Deliverability Statistics: 2026 Edition",
  "generatedAt": "2026-07-10T00:00:00+05:00",
  "dataYearsCovered": [
    2023,
    2024,
    2025,
    2026
  ],
  "lastVerified": "2026-07-10",
  "rows": [
    {
      "claim_id": "ED-001",
      "slug": "email-deliverability-statistics",
      "metric_category": "importance",
      "figure": "78.5%",
      "claim": "78.5% of surveyed senders rated email deliverability importance between 8 and 10 out of 10.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 58",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-002",
      "slug": "email-deliverability-statistics",
      "metric_category": "importance",
      "figure": "46%",
      "claim": "46% of surveyed senders rated email deliverability importance a full 10 out of 10.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 58",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-003",
      "slug": "email-deliverability-statistics",
      "metric_category": "challenges",
      "figure": "48%",
      "claim": "48% of surveyed senders named staying out of spam as a top email deliverability challenge.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Pages 4 and 34",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-004",
      "slug": "email-deliverability-statistics",
      "metric_category": "monitoring",
      "figure": "53%",
      "claim": "53% of surveyed senders did not monitor major email blocklists for their domains or IP addresses.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Pages 4 and 59",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-005",
      "slug": "email-deliverability-statistics",
      "metric_category": "list_hygiene",
      "figure": "39%",
      "claim": "39% of surveyed senders rarely or never conducted email list hygiene.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Pages 4 and 59",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-006",
      "slug": "email-deliverability-statistics",
      "metric_category": "sender_requirements",
      "figure": "63%",
      "claim": "63% of surveyed senders were at least somewhat familiar with the Gmail and Yahoo sender requirements.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Pages 5-7",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-007",
      "slug": "email-deliverability-statistics",
      "metric_category": "sender_requirements",
      "figure": "49.5%",
      "claim": "49.5% of senders who knew about the Gmail and Yahoo requirements changed their email programs in response.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Pages 5 and 12",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-008",
      "slug": "email-deliverability-statistics",
      "metric_category": "authentication",
      "figure": "79%",
      "claim": "79% of senders who changed their programs updated email authentication protocols.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Pages 5 and 12",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-009",
      "slug": "email-deliverability-statistics",
      "metric_category": "sender_requirements",
      "figure": "59%",
      "claim": "59% of surveyed senders were concerned about the Gmail and Yahoo sender requirements.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 12",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-010",
      "slug": "email-deliverability-statistics",
      "metric_category": "sender_requirements",
      "figure": "23%",
      "claim": "23% of surveyed senders reported deliverability challenges after Gmail and Yahoo began enforcing the requirements.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Pages 12-13",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-011",
      "slug": "email-deliverability-statistics",
      "metric_category": "unsubscribe",
      "figure": "33.1%",
      "claim": "33.1% of senders who made changes worked to implement RFC 8058 one-click unsubscribe.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 13",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-012",
      "slug": "email-deliverability-statistics",
      "metric_category": "monitoring",
      "figure": "37%",
      "claim": "37% of senders who made changes began monitoring their spam complaint rate more closely.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 13",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-013",
      "slug": "email-deliverability-statistics",
      "metric_category": "list_hygiene",
      "figure": "35.8%",
      "claim": "35.8% of senders who made changes increased their list-hygiene efforts.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 13",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-014",
      "slug": "email-deliverability-statistics",
      "metric_category": "monitoring",
      "figure": "19.2%",
      "claim": "19.2% of senders who made changes began using Google Postmaster Tools.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 13",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-015",
      "slug": "email-deliverability-statistics",
      "metric_category": "sending_practices",
      "figure": "18.6%",
      "claim": "18.6% of senders who made changes adjusted their sending frequency.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 13",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-016",
      "slug": "email-deliverability-statistics",
      "metric_category": "list_building",
      "figure": "12.5%",
      "claim": "12.5% of senders who made changes changed their email opt-in process.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 13",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-017",
      "slug": "email-deliverability-statistics",
      "metric_category": "sender_requirements",
      "figure": "30.5%",
      "claim": "30.5% of senders familiar with the requirements said the changes were good for the future of email.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 13",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-018",
      "slug": "email-deliverability-statistics",
      "metric_category": "sender_requirements",
      "figure": "33.2%",
      "claim": "33.2% of senders familiar with the requirements considered them necessary, even if inconvenient.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 13",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-019",
      "slug": "email-deliverability-statistics",
      "metric_category": "authentication",
      "figure": "66.2%",
      "claim": "66.2% of surveyed senders said they used both SPF and DKIM for email authentication.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 20",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-020",
      "slug": "email-deliverability-statistics",
      "metric_category": "authentication",
      "figure": "25.7%",
      "claim": "25.7% of surveyed senders were unsure how their organizations used SPF and DKIM.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 20",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-021",
      "slug": "email-deliverability-statistics",
      "metric_category": "authentication",
      "figure": "53.8%",
      "claim": "53.8% of surveyed senders used DMARC in 2024.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Pages 22 and 64",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-022",
      "slug": "email-deliverability-statistics",
      "metric_category": "authentication",
      "figure": "31.8%",
      "claim": "31.8% of surveyed DMARC users had a p=none policy.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 23",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-023",
      "slug": "email-deliverability-statistics",
      "metric_category": "authentication",
      "figure": "19.3%",
      "claim": "19.3% of surveyed DMARC users had a quarantine policy.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 23",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-024",
      "slug": "email-deliverability-statistics",
      "metric_category": "authentication",
      "figure": "17.7%",
      "claim": "17.7% of surveyed DMARC users had a reject policy.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 23",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-025",
      "slug": "email-deliverability-statistics",
      "metric_category": "authentication",
      "figure": "31.3%",
      "claim": "31.3% of surveyed DMARC users were unsure which policy they used.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 23",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-026",
      "slug": "email-deliverability-statistics",
      "metric_category": "bimi",
      "figure": "5.7%",
      "claim": "5.7% of surveyed senders had implemented BIMI.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 26",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-027",
      "slug": "email-deliverability-statistics",
      "metric_category": "bimi",
      "figure": "11.4%",
      "claim": "11.4% of surveyed senders were working to implement BIMI.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 26",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-028",
      "slug": "email-deliverability-statistics",
      "metric_category": "measurement",
      "figure": "57.4%",
      "claim": "57.4% of surveyed senders used open and click rates to measure deliverability.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 29",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-029",
      "slug": "email-deliverability-statistics",
      "metric_category": "measurement",
      "figure": "53.1%",
      "claim": "53.1% of surveyed senders used delivery rate to measure deliverability.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 29",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-030",
      "slug": "email-deliverability-statistics",
      "metric_category": "measurement",
      "figure": "46.5%",
      "claim": "46.5% of surveyed senders used bounce rates to measure deliverability.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 29",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-031",
      "slug": "email-deliverability-statistics",
      "metric_category": "measurement",
      "figure": "39.5%",
      "claim": "39.5% of surveyed senders used unsubscribe rate to measure deliverability.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 29",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-032",
      "slug": "email-deliverability-statistics",
      "metric_category": "measurement",
      "figure": "32%",
      "claim": "32% of surveyed senders actively monitored spam complaints as a deliverability metric.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Pages 29-30",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-033",
      "slug": "email-deliverability-statistics",
      "metric_category": "measurement",
      "figure": "12.3%",
      "claim": "Only 12.3% of surveyed senders correctly identified delivery rate as the share of emails delivered to any folder.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 31",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-034",
      "slug": "email-deliverability-statistics",
      "metric_category": "measurement",
      "figure": "50.9%",
      "claim": "50.9% of surveyed senders incorrectly thought delivery rate measured the share of emails reaching the inbox.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 31",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-035",
      "slug": "email-deliverability-statistics",
      "metric_category": "measurement",
      "figure": "22.8%",
      "claim": "22.8% of surveyed senders incorrectly thought delivery rate measured overall email deliverability.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 31",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-036",
      "slug": "email-deliverability-statistics",
      "metric_category": "inbox_placement",
      "figure": "13.3%",
      "claim": "13.3% of surveyed senders used inbox-placement reports to measure deliverability.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 32",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-037",
      "slug": "email-deliverability-statistics",
      "metric_category": "inbox_placement",
      "figure": "24%",
      "claim": "About 24% of surveyed senders above one million emails per month conducted inbox-placement testing.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 32",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-038",
      "slug": "email-deliverability-statistics",
      "metric_category": "monitoring",
      "figure": "70%",
      "claim": "Nearly 70% of surveyed senders used none of Google Postmaster Tools, Microsoft SNDS, or Yahoo Sender Hub for reputation monitoring.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 50",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-039",
      "slug": "email-deliverability-statistics",
      "metric_category": "sender_reputation",
      "figure": "34.5%",
      "claim": "34.5% of surveyed senders chose improved list hygiene as a leading way to strengthen sender reputation.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 55",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-040",
      "slug": "email-deliverability-statistics",
      "metric_category": "sender_reputation",
      "figure": "28.3%",
      "claim": "28.3% of surveyed senders chose reducing spam complaints as a leading way to strengthen sender reputation.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 55",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-041",
      "slug": "email-deliverability-statistics",
      "metric_category": "sender_reputation",
      "figure": "20.6%",
      "claim": "20.6% of surveyed senders chose easier unsubscribe as a reputation tactic in 2024.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
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      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-042",
      "slug": "email-deliverability-statistics",
      "metric_category": "sender_reputation",
      "figure": "1.6%",
      "claim": "Only 1.6% of surveyed senders chose easier unsubscribe as a reputation tactic in 2023.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
      "source_section": "Page 56",
      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-043",
      "slug": "email-deliverability-statistics",
      "metric_category": "sender_reputation",
      "figure": "14.7%",
      "claim": "14.7% of surveyed senders chose increased engagement as a reputation tactic in 2024.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
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      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-044",
      "slug": "email-deliverability-statistics",
      "metric_category": "sender_reputation",
      "figure": "25.4%",
      "claim": "25.4% of surveyed senders chose increased engagement as a reputation tactic in 2023.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
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      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-045",
      "slug": "email-deliverability-statistics",
      "metric_category": "ownership",
      "figure": "31.7%",
      "claim": "31.7% of surveyed senders said IT owned email deliverability in their organization.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
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      "source_quality": "primary_vendor_survey",
      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-046",
      "slug": "email-deliverability-statistics",
      "metric_category": "ownership",
      "figure": "16.7%",
      "claim": "16.7% of surveyed senders said marketing owned email deliverability in their organization.",
      "source_domain": "mailgun.com",
      "source_url": "https://www.mailgun.com/wp-content/uploads/pdf/SI-State_of_Email-2024_-_v3_1.pdf",
      "source_title": "State of Email Deliverability 2025",
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      "evidence_type": "survey",
      "population": "1,100 global email senders, including users of Sinch Mailgun, Mailjet, and Email on Acid",
      "geography": "global",
      "period": "fielded July 2024; published as the 2025 report",
      "caveat": "Self-reported vendor survey of email senders. The sample includes users of Sinch brands and may not represent every sender or prove causal effects.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-047",
      "slug": "email-deliverability-statistics",
      "metric_category": "delivery_benchmark",
      "figure": "99.21%",
      "claim": "Dotdigital reported a 99.21% global delivery rate among its customers.",
      "source_domain": "dotdigital.com",
      "source_url": "https://dotdigital.com/blog/the-not-so-basic-basics-email-deliverability/",
      "source_title": "The not-so-basic basics: email deliverability in 2026",
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      "source_quality": "first_party_platform_benchmark",
      "evidence_type": "platform telemetry",
      "population": "Dotdigital customer email sends",
      "geography": "global",
      "period": "2026 global benchmark report; collection window not stated on the public article",
      "caveat": "First-party customer benchmark, not a representative sample of all email programs. Delivery means accepted by a receiving server, not necessarily placed in the inbox.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-048",
      "slug": "email-deliverability-statistics",
      "metric_category": "delivery_benchmark",
      "figure": "0.74%",
      "claim": "Dotdigital reported a 0.74% global soft-bounce rate among its customers.",
      "source_domain": "dotdigital.com",
      "source_url": "https://dotdigital.com/blog/the-not-so-basic-basics-email-deliverability/",
      "source_title": "The not-so-basic basics: email deliverability in 2026",
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      "population": "Dotdigital customer email sends",
      "geography": "global",
      "period": "2026 global benchmark report; collection window not stated on the public article",
      "caveat": "First-party customer benchmark, not a representative sample of all email programs. Delivery means accepted by a receiving server, not necessarily placed in the inbox.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-049",
      "slug": "email-deliverability-statistics",
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      "figure": "0.05%",
      "claim": "Dotdigital reported a 0.05% global hard-bounce rate among its customers.",
      "source_domain": "dotdigital.com",
      "source_url": "https://dotdigital.com/blog/the-not-so-basic-basics-email-deliverability/",
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      "geography": "global",
      "period": "2026 global benchmark report; collection window not stated on the public article",
      "caveat": "First-party customer benchmark, not a representative sample of all email programs. Delivery means accepted by a receiving server, not necessarily placed in the inbox.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-050",
      "slug": "email-deliverability-statistics",
      "metric_category": "delivery_benchmark",
      "figure": "0.79%",
      "claim": "Dotdigital reported a 0.79% global overall bounce rate among its customers.",
      "source_domain": "dotdigital.com",
      "source_url": "https://dotdigital.com/blog/the-not-so-basic-basics-email-deliverability/",
      "source_title": "The not-so-basic basics: email deliverability in 2026",
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      "population": "Dotdigital customer email sends",
      "geography": "global",
      "period": "2026 global benchmark report; collection window not stated on the public article",
      "caveat": "First-party customer benchmark, not a representative sample of all email programs. Delivery means accepted by a receiving server, not necessarily placed in the inbox.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-051",
      "slug": "email-deliverability-statistics",
      "metric_category": "platform_threshold",
      "figure": "5,000 messages/day",
      "claim": "Google treats a primary domain sending about 5,000 messages or more to personal Gmail accounts within 24 hours as a bulk sender.",
      "source_domain": "support.google.com",
      "source_url": "https://support.google.com/mail/answer/14229414?hl=en",
      "source_title": "Email sender guidelines FAQ",
      "source_section": "Bulk senders FAQ",
      "source_quality": "official_platform_requirement",
      "evidence_type": "platform policy",
      "population": "senders to personal Gmail accounts",
      "geography": "global",
      "period": "requirements effective from February 1, 2024; page verified July 10, 2026",
      "caveat": "Operational Gmail requirement, not a performance benchmark or survey. Google can update definitions and enforcement, so verify the live policy before implementation.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-052",
      "slug": "email-deliverability-statistics",
      "metric_category": "platform_threshold",
      "figure": "0.3%",
      "claim": "Google requires senders to keep Postmaster Tools spam rates below 0.3%.",
      "source_domain": "support.google.com",
      "source_url": "https://support.google.com/mail/answer/81126?hl=en",
      "source_title": "Email sender guidelines",
      "source_section": "Sender requirements and guidelines",
      "source_quality": "official_platform_requirement",
      "evidence_type": "platform policy",
      "population": "senders to personal Gmail accounts",
      "geography": "global",
      "period": "requirements effective from February 1, 2024; page verified July 10, 2026",
      "caveat": "Operational Gmail requirement, not a performance benchmark or survey. Google can update definitions and enforcement, so verify the live policy before implementation.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-053",
      "slug": "email-deliverability-statistics",
      "metric_category": "platform_threshold",
      "figure": "0.1%",
      "claim": "Google recommends keeping spam rates below 0.1% and avoiding ever reaching 0.3%.",
      "source_domain": "support.google.com",
      "source_url": "https://support.google.com/mail/answer/81126?hl=en",
      "source_title": "Email sender guidelines",
      "source_section": "Spam rate guidelines",
      "source_quality": "official_platform_requirement",
      "evidence_type": "platform policy",
      "population": "senders to personal Gmail accounts",
      "geography": "global",
      "period": "requirements effective from February 1, 2024; page verified July 10, 2026",
      "caveat": "Operational Gmail requirement, not a performance benchmark or survey. Google can update definitions and enforcement, so verify the live policy before implementation.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-054",
      "slug": "email-deliverability-statistics",
      "metric_category": "platform_threshold",
      "figure": "0.3%",
      "claim": "Yahoo requires senders to keep their spam complaint rate below 0.3%.",
      "source_domain": "senders.yahooinc.com",
      "source_url": "https://senders.yahooinc.com/best-practices/",
      "source_title": "Yahoo Sender Requirements & Recommendations",
      "source_section": "Requirements for all senders",
      "source_quality": "official_platform_requirement",
      "evidence_type": "platform policy",
      "population": "senders to Yahoo-managed mailboxes",
      "geography": "global",
      "period": "enforcement began February 2024; page verified July 10, 2026",
      "caveat": "Operational Yahoo requirement, not a performance benchmark or survey. Yahoo can update definitions and enforcement, so verify the live policy before implementation.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-055",
      "slug": "email-deliverability-statistics",
      "metric_category": "unsubscribe",
      "figure": "2 days",
      "claim": "Yahoo requires bulk senders to honor unsubscribe requests within two days.",
      "source_domain": "senders.yahooinc.com",
      "source_url": "https://senders.yahooinc.com/best-practices/",
      "source_title": "Yahoo Sender Requirements & Recommendations",
      "source_section": "Requirements for bulk senders",
      "source_quality": "official_platform_requirement",
      "evidence_type": "platform policy",
      "population": "senders to Yahoo-managed mailboxes",
      "geography": "global",
      "period": "enforcement began February 2024; page verified July 10, 2026",
      "caveat": "Operational Yahoo requirement, not a performance benchmark or survey. Yahoo can update definitions and enforcement, so verify the live policy before implementation.",
      "audited_at": "2026-07-10"
    },
    {
      "claim_id": "ED-056",
      "slug": "email-deliverability-statistics",
      "metric_category": "sender_requirements",
      "figure": "February 2024",
      "claim": "Yahoo began gradually enforcing its updated sending standards in February 2024.",
      "source_domain": "senders.yahooinc.com",
      "source_url": "https://senders.yahooinc.com/best-practices/",
      "source_title": "Yahoo Sender Requirements & Recommendations",
      "source_section": "Email sender requirements",
      "source_quality": "official_platform_requirement",
      "evidence_type": "platform policy",
      "population": "senders to Yahoo-managed mailboxes",
      "geography": "global",
      "period": "enforcement began February 2024; page verified July 10, 2026",
      "caveat": "Operational Yahoo requirement, not a performance benchmark or survey. Yahoo can update definitions and enforcement, so verify the live policy before implementation.",
      "audited_at": "2026-07-10"
    }
  ]
}
