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According to Live Direct Marketing's daily DNS scan (July 13, 2026), kobo.com (Tranco rank #4,919) receives mail via Microsoft 365 and sends through MailerSend, Zendesk, Amazon SES. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Microsoft 365 |
|---|---|
| ESPs in SPF | MailerSend, Zendesk, Amazon SES |
| SaaS senders in SPF | Statuspage (Atlassian), Shopify |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; rua=mailto:kobo-DMARC_Report@mail.rakuten.com,mailto:dmarc-report-a@rx.rakuten.co.jp |
| Tranco rank | #4,919 |
| Snapshot | 2026-07-13 (updated daily) |
kobo.com uses Microsoft 365 for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
kobo.com authorises MailerSend, Zendesk, Amazon SES in its SPF record as of July 13, 2026.
Yes — kobo.com publishes p=reject, the strictest DMARC policy (as of July 13, 2026).