The DMARC mitigatation actions do not include a Reply-To: header in rare cases.

Bug #1318025 reported by Mark Sapiro
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
GNU Mailman
Fix Released
Low
Mark Sapiro

Bug Description

If the incoming message contains no From: header or it's From: header can't be parsed into a display name and email address, the DMARC mitigation actions that try to put the From: address in Reply-To: fail to do so.

In these cases and also in the non-compliant case where there are multiple From: addresses, just take the sender address from Mailman's get_sender() message method and use that in lieu of the From address.

Related branches

Mark Sapiro (msapiro)
description: updated
Changed in mailman:
status: In Progress → Fix Committed
Mark Sapiro (msapiro)
Changed in mailman:
milestone: 2.1.19 → 2.1.19rc1
status: Fix Committed → Fix Released
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