[mdlug] exim or postfix, and why?

[Adam Tauno Williams]

On Sun, 2011-03-13 at 15:57 -0400, Carl T. Miller wrote:
> Joe Doehler wrote:
> >> So I'm looking for feedback...exim or postfix, and why?
> > I use Exim. The reason I picked it is that I found it easy to add C-code
> > that examines a sender return address and to reject the unwanted ones at
> > the SMTP level, before the body of the e-mail is transmitted.
> That reminds me.  I use procmail rules on a few systems.
> Are exim and postfix compatible with procmail?  

Yes.

> Or do they
> have an easy way to launch a shell script when a specific
> email message arrives?

You can built your own milters [just like with sendmail].

Although my advice is always to ditch procmail and associated hacks and
move to LMTP delivery to a backend that support SIEVE.