I’m finally getting ready to replace the mail system on the server set I’ve been managing. This time, I’m going with citadel instead of one of the PHP or .net based solutions. This is mainly because it’s a whole lot smaller and faster than the competing solutions, as well as being far easier to install. The basic installation took me less than an hour, and that included ssl support for IMAP and POP3.
Not only does the beast have POP, IMAP and webmail, but it also has calendar, notes, chat, and shared message support. I can’t believe that it’s as obscure as it is. Oh well… Here’s the link.