Am Freitag 23 Februar 2007 schrieb Mathias Homann:
> Am Freitag, 23. Februar 2007 16:12:59 schrieb Matt Kettler:
> > Mathias Homann wrote:
> > > Hi,
> > >
> > >
> > > I'm running the following mail chain:
> > > fetchmail -> postfix -> clamsmtpd -> postfix -> spamassassin 3.1.7 (as
> > > local_transport via the spamdeliver python script that came with the
> > > spamassassin sources) -> cyrus imapd (where spam gets sorted out based
> > > on its score).
> > >
> > > now, since a few days, i keep getting the same spam mail several times
> > > a day, which has _no_ spamassassin headers at all, as if it has found a
> > > way _around_ my spamassassin.
> > >
> > > Anyone got any ideas?
> >
> > How big was the message? I see it had and .xls file attached. Was it
> > over the default 250k limit that spamc will, by default, bypass
> > scanning after?
>
> it actually _was_ that big... close to 400k actually.
>
> So, if a spammer wants to be sure that his crap doesn't get booted, all he
> needs to do is attach enough image spams to go over that 250kbyte limit???
>
>
> somehow I don't like that.
>
> Is that size limit configureable?
or even better: make that two limits, the smaller one tells spamassassin not
to check the body anymore (that could be the 250kb size limit) and the other
one tells SA to skip the whole mail (this limit should be noticeably bigger).
with that it would at least be possible to blacklist huge spams.
bye,
MH
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