Hi Martin,
thx for the hint. I might give it a try.
However - what buzzes me here is that if you use the proxy method to identify
spam - you have to get the spam anyway through it - don't you ? So - the spam
will use your bandwidth to get analyzed by the "proxy" application - and the
proxy application then returns a Spam-Detected message which will be
interpreted by the postfix process and which will make that one reject the
message definitly.
IMHO - the only difference is that the remote side will get a reject message
if I understood correctly the process. Please correct me if I'm wrong.
Do you think this reject message will inhibit spammers to send you more mail ?
NOTE - the actual spamassassin/postfix/anomy method enables you to actually
get the Mail in, spamassassin checks it through spamc/spamd - and if it's
beeing detected a SPAM - you can tell the delivery script to delete it or
move it to a local-file for laer analysis ...
Cheers
Joerg
On Wednesday 23 July 2003 10:19, Martin Fahrendorf wrote:
> Am Mittwoch, 23. Juli 2003 09:55 schrieb Joerg Mertin:
> > Hi Martin,
> >
> > On Wednesday 23 July 2003 08:47, Martin Fahrendorf wrote:
> > [...]
> >
> > > > The main problem with amavis and postfix is a missing feature in the
> > > > current postfix version. You can not reject spam mails. So you lose
> > > > ane defence line in your battle against spam.
> > >
> > > Oh, the main problem is not amavis but spamassassin (but we run
> > > spamassassin by amavisd-new).
> >
> > I know that I could reject spam directly through spamassassin - however -
> > I do use the combaination: postfix, cyrus-imapd, spamassassin, anomyser -
> > and have not yet found a decent script that rejects Spam when it comes
> > in. Would be nice - as I have about 5 Persons (Friends) getting Mails
> > through my server - and we're getting in about 50 Spams/Day ... Any hint
> > on that, LInk I could read some stuff etc.
> >
> > The example that came with anomy/spamassassin-scripts are not all that
> > satisfaying IMHO.
> >
> > Thx for a hint
> >
> > Joerg
>
> As Frankie said, the new postfix (the snapshot releases do it as well) kan
> handle the rejection via the proxy method. the first postfix instance take
> the mail but does not tell the sending server that it accepts it. Only if
> some proxy program like spamassassin accepts it, postfix accepts it too and
> the delivery contains. But if spamassassin says no, the mail will be
> rejected.
>
> There is no way to tell postfix reject spam mail with spamassassin in the
> current version. But afaik the snapshot versions of postfix are relative
> stable.
>
> Martin
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