content-filter with Postfix

[DaLiV]

All is simple:
when you pass to filter ALL mail - then can use main.cf directive ...
but when You want to make diffirent access to diffirent services /IP or Port based/ then surelly more advisable to use master.cf, where 
behavior is defined for each subservice ...

Robert Moskowitz wrote:
> I am on Centos 7.
>
> I am reading a lot of different places, including:
>
> /usr/share/doc/amavisd-new-2.10.1/README_FILES/README.postfix
>
> that seem to imply that main.cf should have
>
> content_filter=amavisfeed:[127.0.0.1]:10024
>
> instead of sprinkling it all over master.cf as a -o line.
>
> Does anyone have any knowledge on this?  if in master.cf, which services do NOT use amavis?
>
> thank you
>
>