Ubuntu
courier package

courier-mta has yahoo mail delivery bug

Asked by Mike Wright

Builds from courier-mta sources prior to 20211111 have two bugs:

1) parsing bug in the bofh badfrom check

2) rejects null MX records when validing the sending IP address against the sender's HELO/EHLO identifier

#2 is causing Yahoo mail with null MX dns records to be rejected. Yahoo is a major player in the email world and this should be considered a priority

Recommend that new .deb file be generated using courier-mta 20211111 or later.

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Manfred Hampl (m-hampl) said : 		#1

For bug reporting please use the bug tracker and not the question area.

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