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According to Live Direct Marketing's daily DNS scan (July 13, 2026), which.co.uk (Tranco rank #9,760) receives mail via Mimecast and sends through Mimecast, Salesforce, Amazon SES. Its DMARC policy is p=quarantine — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Mimecast |
|---|---|
| ESPs in SPF | Mimecast, Salesforce, Amazon SES, Salesforce Marketing Cloud |
| SaaS senders in SPF | none detected |
| DMARC policy | p=quarantine |
| DMARC record | v=DMARC1; p=quarantine; pct=100; rua=mailto:2ac5faf1c2ce657@rep.dmarcanalyzer.com; ruf=mailto:2ac5faf1c2ce657@for.dmarcanalyzer.com; fo=1; |
| Tranco rank | #9,760 |
| Snapshot | 2026-07-13 (updated daily) |
which.co.uk 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.
which.co.uk authorises Mimecast, Salesforce, Amazon SES, Salesforce Marketing Cloud in its SPF record as of July 13, 2026.
Partially — which.co.uk publishes p=quarantine (as of July 13, 2026).