> I want to use Spamassassin on our Postfix bastion mail host to filter
> all mail before it's relayed to our MAILSweeper (which then forwards to
> Exchange).
I use the content filtering facility in Postfix.
I get Postfix to call procmail as the content filter and then use
procmail to call spamc/spamd and I then go on to call amavis/amavisd/sophie
as my virus scanner. Amavisd then sends the message back into Postfix.
main.cf includes :-
content_filter = vscan:
master.cf includes :-
vscan unix - n n - 5 pipe user=vscan
argv=/usr/local/bin/procmail -m /etc/postfix/procmailrc ${sender}
${recipient}
localhost:10025 inet n - n - - smtpd
-o content_filter= -o local_recipient_maps=
procmailrc includes :-
EXITCODE=0
some spam checking that sets SPAAM=1 if it thinks it is spam, then :-
:0
* SPAAM ?? 0
{
:0fw
|/usr/local/bin/spamc
:0 H
* X-Spam-Flag: YES
{
SPAAM=1
}
}
:0
* SPAAM ?? 1
{
do something with the spam
eg
EXITCODE=77
dump it somewhere
}
# We don't think it is to be filtered out,
# so let delivery occur ...
# scanning for viruses
SENDMAIL=/path/to/amavis
:0W
! "$@"
# We get here if amavis failed, so pass back the error
EXITCODE=75
:0e
/dev/null
This appears to work, but no guarantees ;-)
I use the daemonised versions of spamassassin, amavis and sophos (sophie)
as this has a major impact on the load of our elderly mailhost.
Geoff
UK-Human Genome Mapping Project-Resource Centre,
Hinxton, Cambridge, CB10 1SB, UK
Tel: +44 1223 494530 Fax: +44 1223 494512 E-mail: [EMAIL PROTECTED]
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