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Email infrastructure of breitbart.com

According to Live Direct Marketing's daily DNS scan (July 13, 2026), breitbart.com (Tranco rank #4,947) receives mail via Microsoft 365 and sends through Postmark, PR Newswire. Its DMARC policy is p=quarantine — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)Microsoft 365
ESPs in SPFPostmark, PR Newswire
SaaS senders in SPFnone detected
DMARC policyp=quarantine
DMARC recordv=DMARC1; p=quarantine; rua=mailto:dmarc@breitbart.com
Tranco rank#4,947
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does breitbart.com use?

breitbart.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.

What ESP does breitbart.com use?

breitbart.com authorises Postmark, PR Newswire in its SPF record as of July 13, 2026.

Does breitbart.com enforce DMARC?

Partially — breitbart.com publishes p=quarantine (as of July 13, 2026).

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