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According to Live Direct Marketing's daily DNS scan (July 13, 2026), cimpress.io (Tranco rank #10,926) receives mail via Mimecast and sends through Zendesk, Amazon SES. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Mimecast |
|---|---|
| ESPs in SPF | Zendesk, Amazon SES |
| SaaS senders in SPF | Statuspage (Atlassian) |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1;p=reject;fo=1; rua=mailto:dmarc@prhdd6qt.uriports.com; |
| Tranco rank | #10,926 |
| Snapshot | 2026-07-13 (updated daily) |
cimpress.io 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.
cimpress.io authorises Zendesk, Amazon SES in its SPF record as of July 13, 2026.
Yes — cimpress.io publishes p=reject, the strictest DMARC policy (as of July 13, 2026).