spamassassin-users January 2011 archive
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spamassassin-users: Re: Fwd: Re: Q about short-circuit over ruli

Re: Fwd: Re: Q about short-circuit over ruling blacklisting rule

From: Patrick Ben Koetter <p_at_nospam>
Date: Mon Jan 17 2011 - 21:22:27 GMT
To: users@spamassassin.apache.org

* JKL <junk4@klunky.co.uk>:
>
> On 01/17/2011 09:29 PM, Michael Scheidell wrote:
> > On 1/17/11 3:27 PM, JKL wrote:
> >> Hi there,
> >>
> >> Why would this be delivered into the user mailbox when the Sender
> >> address is blacklisted by the user? Did I misunderstand the
> >> short-circuit effect?
> >>
> >> Best wishes.
> >>
> >>
> > spamassassin doesn't do anything about delivery. it just marks the
> > headers.
> >
> >
> Hi,
>
> Thank-you for pointing this out. Naïvely, I thought I could use
> Postfix to pass the mail to spamc and then have it drop it, instead of
> sending it onto Dovecot LDA for delivery. Clearly, this is not the way
> :( Back to the drawing board.
>
> I know this is off-topic but is there a way for a third party programme
> to silently drop spam from delivery?

There are several: MimeDefang, Spamassassin-Milter and amavisd-new come to
mind.

MimeDefang and Spamassassin-Milter work as MILTERS (see: smtpd_milters or
MILTER_README in Postfix).

amavisd-new may be integrated either as MILTER or as content_filter or
smtpd_proxy_filter using either SMTP or LMTP. You probably want amavisd-new if
you also want a content filter to identify and classify other mail content
categories (virus, banned, spam, undecipherable and, surprise, clean
messages) <http://www.ijs.si/software/amavisd/README.postfix.html>

p@rick

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