Re: [AMaViS-user] Feature request: Per user bayes when using LMTP

Ed,

> OK, I am in a dilemma. I like the idea that outgoing mail contributes
> to a big general ham score in my users bayes DB, hence amavisd-new + SA
> (+postfix) seems like a good fit, but on the other hand I would really
> like per user bayes stuff because I can't trust my users not to submit
> every yahoo, dabs.com, etc, circular that they ever receive into the
> spam bin for training (ie dubious opt-in mail rather than nasty spam)
>
> Since I turned on the LMTP option in postfix, thinking that this would
> give me a better chance of per-user stuff in amavis I had also rather
> hoped that I would get per-user white and blacklisting. A quick squiz
> at the FAQ and previous postings to this list (and my db) shows that
> this is not so.

LMTP is not a solution to what you are trying to solve.

Per-user black and whitelisting (and newer score_sender alternative)
are already available, including SQL-based black/white/soft-listing.

> How hard would it be for me to hack such a feature in to amavisd-new
> 2.2.1 given that I have a postfix and LMTP setup? Is it really easy to
> just pass in the message envelope recipient (or sender depending on
> direction) to SA as the username given that I have cleanup set to do all
> alias expansion and the like?

This only works on single recipient messages. SA has no API to
cater for multiple recipient messages, you would need to rescan
the mail for each recipient to be able to do per-recipient bayes,
which is what the usual delivery-time spamc/spamd setup does.

Mark


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