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According to Live Direct Marketing's daily DNS scan (July 13, 2026), bugsnag.com (Tranco rank #735) receives mail via Mimecast and sends through Mimecast, Zendesk, Marketo (Adobe). Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Mimecast |
|---|---|
| ESPs in SPF | Mimecast, Zendesk, Marketo (Adobe), Amazon SES |
| SaaS senders in SPF | none detected |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1;p=reject;pct=100;rua=mailto:77d47021d410981@rep.dmarcanalyzer.com;ruf=mailto:77d47021d410981@for.dmarcanalyzer.com;fo=1 |
| Tranco rank | #735 |
| Snapshot | 2026-07-13 (updated daily) |
bugsnag.com uses Mimecast for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
bugsnag.com authorises Mimecast, Zendesk, Marketo (Adobe), Amazon SES in its SPF record as of July 13, 2026.
Yes — bugsnag.com publishes p=reject, the strictest DMARC policy (as of July 13, 2026).