Dec 15

Policy Modes: Quarantine vs Reject

Domain owners can publish policies that will be applied to email that is not compliant with DMARC:

  • none - which means “take no action, just collect data and send me reports”,
  • quarantine - which means “treat with suspicion”, and
  • reject - which mean “block outright”.

DMARC deployers often ask us: “what’s the difference between quarantine and reject, and what will happen when I publish these policies?”  Understanding what happens when quarantine or reject is published is pretty important! Read the rest of this entry »