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According to Live Direct Marketing's daily DNS scan (July 13, 2026), poshmark.com (Tranco rank #3,952) receives mail via Google Workspace and sends through Salesforce, SendGrid (Twilio), Mandrill. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Google Workspace |
|---|---|
| ESPs in SPF | Salesforce, SendGrid (Twilio), Mandrill, Amazon SES |
| SaaS senders in SPF | Greenhouse |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; rua=mailto:dmarc@poshmark.com,mailto:dmarc_agg@vali.email; sp=reject; fo=1; pct=100; ri=864000 |
| Tranco rank | #3,952 |
| Snapshot | 2026-07-13 (updated daily) |
poshmark.com uses Google Workspace for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
poshmark.com authorises Salesforce, SendGrid (Twilio), Mandrill, Amazon SES in its SPF record as of July 13, 2026.
Yes — poshmark.com publishes p=reject, the strictest DMARC policy (as of July 13, 2026).