Hello,
RFC 8601 section 5. requires deleting Authentication-Results headers from
incoming messages. This should be done at trusted border, so when receiving
message via SMTP from clients or the world, except MX gateways or possibly
backup MX srevers.
I'm curious if there is a recommended way to achieve this.
I see that using header_checks or message_drop_headers would do what I want,
however:
1. message_drop_headers would IIUC remove headers added by milter, which is not
what we want
2. header_access would do just what I want. Still can't exempt MX gateway.
Do you remove those headers on your servers?
--
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
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