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Email infrastructure of malwarebytes.com

According to Live Direct Marketing's daily DNS scan (July 13, 2026), malwarebytes.com (Tranco rank #3,139) receives mail via Microsoft 365 and sends through Postmark. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)Microsoft 365
ESPs in SPFPostmark
SaaS senders in SPFnone detected
DMARC policyp=reject
DMARC recordv=DMARC1;p=reject;pct=100;rua=mailto:dmarc-rua@malwarebytes.com;ruf=mailto:dmarc-ruf@malwarebytes.com;fo=1
Tranco rank#3,139
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does malwarebytes.com use?

malwarebytes.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 malwarebytes.com use?

malwarebytes.com authorises Postmark in its SPF record as of July 13, 2026.

Does malwarebytes.com enforce DMARC?

Yes — malwarebytes.com publishes p=reject, the strictest DMARC policy (as of July 13, 2026).

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