Need to build a new mail server

[Steve Bertrand]

> I'd personally vouch for Qmail myself.  

So would I, for my environment.

> Having been an administrator now 
> for mail servers in general for nearly 15 years, with experience with 
> most notable mailers, Qmail by far lends itself to be the most highly 
> configurable mailer assuming you know what you want ahead of time.  

Agreed.

> Most 
> experienced sysadmins, once they know what they want, can apply those 
> patches to qmail with ease and roll out additional Qmail installations 
> with a single package.  Very easy indeed.

Yep.

> Bob, as for 'backscaatter spam' (assuming I understood you), that's 
> rubbish:
> http://www.interazioni.it/opensource/chkusr/ (as an example)

...which works very well.

Steve