How to configure multiple postfix content filters?

[Patrick Ben Koetter]

Mike,

* Mike Schleif <mike at mdsresource.net>:
> Centos:  7.2.1511 (Core)
> postfix: 2.10.1
> amavisd-new: 2.10.1
> 
> This postfix server was designed to run as follows, which it has done for
> several months without incident:
> 
> Original filter-only:
> master.cf:
> smtp  inet  n  -  n  -  -  smtpd
>   -o content_filter=filter:dummy
> 
> filter  unix  -  n  n  -  10  pipe
>   flags=Rq user=filter null_sender=
>   argv=/var/spool/filter/bin/filter.sh -f ${sender} -- ${recipient}


what is it, that filter.sh does? Is it something amavis can do as well?
I'm asking because maybe we can simplify your setup.

p at rick



> 
> 
> Now, I'm tasked with retrofitting spamassassin on same host, which works
> using
> following configuration:
> 
> Spamassassin-only:
> master.cf:
> smtp  inet  n  -  n  -  -  smtpd
>   -o content_filter=spamassassin
> 
> spamassassin unix -  n  n  -  -  pipe
>   user=spamd argv=/usr/bin/spamc -f -e
>   /usr/sbin/sendmail -oi -f ${sender} ${recipient}
> 
> 
> Our problem is using _both_ spamassassin and filter, preferably in that
> order.
> 
> postfix-users pointed me to: amavisd-new, which I have installed. This
> works properly, regarding spam & virus.
> 
> How need I configure postfix to first call amavisd-new, then use "filter?"
> 
>  <http://twitter.com/mikeschleif>

-- 
[*] sys4 AG
 
https://sys4.de, +49 (89) 30 90 46 64
Franziskanerstraße 15, 81669 München
 
Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263
Vorstand: Patrick Ben Koetter, Marc Schiffbauer
Aufsichtsratsvorsitzender: Florian Kirstein