exim: Rejecting email missing relay chain
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I have no idea how to start in on this, and I figure some of the local
exim gurus might be able to point me in the right direction. Googling
for exim received chain didn't turn up anything useful in the first
100 results.
What I'd like to do is bounce all email messages at the MTA level that
do not have any Received headers (and thus are not tracable) flat out.
RFC2821 appears to allow this behaviour, since the mail transaction is
incomplete in the loose sense.
Justification for this is that recently, a large volume of spam is
arriving without Received headers beyond my system, and is not
tracable. I don't believe that this is a problem with my MTA, as lack
of a received chain has been exclusive to spam as of the time of this
writing.
Any suggestions on how to do this?
- --
.''`. Baloo Ursidae <baloo@ursine.dyndns.org>
: :' : proud Debian admin and user
`. `'`
`- Debian - when you have better things to do than fix a system
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