Hi,
I've noticed that a couple of header tests don't seem to work if
spamassassin gets called via mimedefang; I've looked at the code to call
spamassassin in mimedefang.pl, and it looks like mimedefang doesn't pass
the original mail headers to spamassassin?
More specifically:
* Return-Path ==> generated by mimedefang
* Received: ==> just one line for local receipt, generated
by mimedefang
* To: ==> read from original headers, generated if
missing
* Apparently-To: ==> generated by mimedefang
* Message-ID: ==> generated by mimedefang
Can anyone please explain why no headers from the original message
except for "To:" are passewd on to spamassassin? I'd expect quite a few
of these, especially the received headers, to be usefull?
Why not
* generate new received header
* pass through all original headers
Missing or malformed To: or message-id: headers can be used as spam
indicators and there are rules in SA to evaluate these - but as far as I
can they're not usable because of the way headers are handled by
mimedefang?
Thanks for any insights, Martin
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