Tue, 08 Jan 2013 16:24:11 -0600 skrev Noel Jones
<njo...@megan.vbhcs.org>:

> On 1/8/2013 4:11 PM, Titanus Eramius wrote:
> 
> > I've had some trouble seeing the difference
> > between -o overrides in main.cf and master.cf, but this really
> > helps.
> > 
> 
> 
> main.cf parameters are used by all postfix services (but not all
> parameters apply to all services).
> 
> Individual services defined in master.cf can override main.cf
> settings with -o ... options.
> 
> http://www.postfix.org/postconf.5.html
> http://www.postfix.org/master.5.html
> 
> 
> 
> 
>   -- Noel Jones

Sorry for the delayed answer, it took some time to adjust the server to
match the advices I got, but everything seems to run better than ever,
so thanks for the help again.

Some day one really ought to read the entire postconf(5) manual to get a
sense of what Postfix is capable of, but so far I've only read about the
settings I use.

If I may ask one last thing, just to be sure.
To integrate SpamAssassin I adjusted the smtp-line in master.cf to
---
smtp inet n - - - - smtpd -o content_filter=spamassassin
---

and then disallowed submission on port 25.

In main.cf I have 7 reject_*-lines like so
---
smtpd_recipient_restrictions =
   ...
   reject_invalid_helo_hostname
   reject_unknown_sender_domain
   ...
   permit
---

Will the reject_*-rules still apply to incoming mail before Postfix
hands it over to SpamAssassin?

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