Hi! On Fri, Aug 13, 2010 at 2:00 PM, Tracy Reed <[email protected]> wrote: > On Fri, Aug 13, 2010 at 11:09:54AM -0430, Jose Ildefonso Camargo Tolosa spake > thusly: >> I think they are pretty much the same, maybe, dovecot a little faster > > Count me as another vote for dovecot. It works great. > >> Nothing new, except, maybe, the replication thing, Cyrus suggest the >> use of Perdition (which can be very problematic, specially with >> SSL/TLS related issues). > > Around 2000 I migrated a large (for the time) corporate mail server > from wu-imap/mbox to courier (if I recall correctly)/Maildir. It was > not possible to convert all of the mailboxes at once due to the large > amount of time it would have taken (and also because a desktop config > setting was needed due to how broken Outlook was with IMAP > namespaces). So I ended up running both IMAP servers at once on > unusual port numbers with perdition running on the normal IMAP > port. Then as each user's mail store was converted I would add them to > the perdition config and perdition would route them to the appropriate > IMAP server. It worked great.
Yes, perdition *does* work, but it only support LDAPv2, I had to modify the LDAP server configuration. One question: what was the MTA on that setup? (that support having mixed mailboxes formats for different users). > > Ever since then I have always said that if I ever needed to really > scale up IMAP serving across a number of machines I would front it > with perdition. > >> Furthermore, Dovecot has this: >> >> http://wiki.dovecot.org/PasswordDatabase/ExtraFields/Proxy >> >> Which replaces perdition. > > Oooh...neat! I'll have to remember to give this a try if I ever have > to scale up IMAP. > > In other news, I am on the verge of un-recommending anyone use > RedHat's Piranha setup. Its behavior is just inexplicable > sometimes. And the GUI let me accidentally create invalid > configurations. I may well replace my current Piranha based load > balancer setup with a more standard lvs/ldirectord type setup. Fortunately: I don't use RedHat, unless forced by a client. I like Debian the best for this kind of things, and, maybe, Ubuntu. _______________________________________________ Please read the documentation before posting - it's available at: http://www.linuxvirtualserver.org/ LinuxVirtualServer.org mailing list - [email protected] Send requests to [email protected] or go to http://lists.graemef.net/mailman/listinfo/lvs-users
