ok, since i will be facing compatibility and maintenance obstacles, i guess i have no option but to convert to MailDir format and use imap-courrier my question is, if i want to implement this in suse, what are the things i have to note,
Well not to disuade you but I just upgraded an old Debian system I was running which was using qmail, imap, spamd, clamav, dmail, procmail and squirrelmail for web access. This is just a home system for our own needs, but it lets me play. Getting all that stuff configured and working properly was a royal pain in the butt, but it did, and of course anytime I needed to update a version of things it was tying it all together that was the intensive process. I just upgraded to OpenSuse 10, the stock imapd, postfix, spamd, procmail, squirrelmail, and the antivirus scanner. I did not have to worry about maildir/mbox/spooldir or any of those somewhat "religious" views. I just had to create my own certificate, and tell the clients to use SSL, and setup squirrelmail to do the same. It was much much easier. My procmail recipes were about the same, and I got rid of having to deal with dmail to put in the right format after being processed by procmail. I would highly recommend going with the stock imapd and just enabling SSL and generating your own certificate to use it. If this is going over the internet then you are now encrypting stuff, definitely a good thing, and if this is on a private network then you probably have some control over the userbase. Just my two cents. Michael