BIP KB Tag: missing required header field

Amavis-new – Bad-Header Checks And Tweaks

During the processing of the emails Amavis-new conducts a series of tests, including so called bad-header checks which usually give a headache to system engineers because of false detections (most commonly a missing required header field or 8-bit encoding, etc)Since version 2.4.4 of Amavis-new, you can actually tweak the bad-header tests instead of turning them completely off.There is an $allowed_header_tests variable by which you can define ...
By deborah, February 7, 2015