[CentOS] postfix tightening

[Craig White]

On Fri, 2005-04-01 at 17:10 -0500, Chris Mauritz wrote:
> Ajay Sharma wrote:
> 
> >Craig White wrote:
> >  
> >
> >>On Fri, 2005-04-01 at 16:26 -0500, Chris Mauritz wrote:
> >>
> >>    
> >>
> >>>Personally, I reject mail from any server with broken DNS.  It's 
> >>>extremely low hanging fruit to avoid a lot of spam from zombie PCs in 
> >>>Asia/Eastern Europe.
> >>>      
> >>>
> >
> >[snip]
> >
> >  
> >
> >>Is the above suitable for an office mail server or is this for one
> >>person who is less concerned about fringe stuff that may get rejected?
> >>    
> >>
> >
> >I run an "office" mail server and my boss would kill me if we bounced a
> >message just because the client is using a brain dead ISP.  So our
> >approach is a little different in that we accept a lot of mail and I
> >spend my time on tuning spamassassin.
> >
> >  
> >
> 
> Wow, then I guess I am lucky to have a boss that doesn't ask me to do 
> foolish things or waste my time.  8-)
> 
> You can tune a spam filter til the cows come home, but I just think it's 
> idiotic to accept mail from any server where the admin isn't on the ball 
> enough to even properly set up the DNS.  And if it's the ISP's fault, 
> then that admin should pick a non-braindead ISP.
----
seems to me that if AOL refuses to accept email from a mail server that
doesn't reverse resolve in dns, then the die is already cast and they
need to fix and then of course, why should I operate a mail server that
does accept it?

Craig