Reinstall qmail or go to postfix?

[tkalfaoglu]

One of the busy servers that I have has been having some qmail problems (see my other message, about qmail not processing queue unless I restart it).
I was thinking of reinstalling qmail (although installing it from scratch from sources, with plesk patches and some patches that I like also sounds appealing), or maybe go to postfix which I know nothing about.

Question is, if I reinstall qmail from psa RPM's, what would I lose? -- I suspect I'd have to run the dreaded mchk again at least.

If any of you have re-installed MTA on plesk I'd appreciate your feedback.

Many thanks..

 

[HostaHost]

I'd recommend moving to Postfix. We've been using qmail for more than a decade and it's really starting to show its age. You're unfortunately going to lose the contents of your mail queue but other than that, the autoinstaller actually makes it very easy to do the switch between the two if you're on a supported platform and already on Plesk 10.4.4. The Maildir structure will remain the same, just the MTA software gets swapped out, users retain their login credentials, etc.

There is one bug in Parallels' implementation of Postfix's config file though. In the /etc/postfix/main.cf file, you'll want to replace:

permit_mynetworks, reject_rbl_client

with

permit_mynetworks, permit_sasl_authenticated, reject_rbl_client

Otherwise, your users will get rejected by RBL check even if they have proper authentication.