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DMARC-RPT-SPOOFING

Someone is sending as your domain

What it means

A source that never passes authentication but sends in volume is using your domain without authorisation.

How to fix it

  1. 1Move DMARC to p=quarantine (then p=reject) so receivers discard it.
  2. 2Keep reading aggregate reports to confirm the volume drops.

Re-check after the change

DNS changes can take up to the record's TTL to be seen; use Re-run on the result page to bypass our 10-minute cache.