On Fri, 29 Jul 2011, Craig White wrote: > Not going to comment on Exchange/OWA It's really hard for me not to. Exchange is a god awful pile of crap that doesn't properly implement IMAP (true of 2003-2007, not tried 2010), and MS don't really care that much about it, as you should be using MAPI. It's buggy enough that a single IMAP client can bring it into a state where it's no longer functional until you restart it all. Message flags on 2007 are stored independently for MAPI and IMAP, so if you read a message with IMAP, it's still listed as unread in the web interface. Reading a message in the web interface will reorder your mailbox as far as IMAP is concerned. Do an IMAP search for an email address and it won't find it, as it only indexes on the real name component. It stuffs up signed messages due to its broken IMAP implementation. Things like thunderbird have code designed especially for Exchange to work around these bugs, so it generally looks a lot more functional than it should. OWA on 2007 is designed to be rubbish in non-IE browsers. What to set filtering rules up, or check your quota, or arrange a meeting for 10:15am. You won't be doing any of that with firefox. Anyone holding up Exchange as an example of an IMAP/Webmail solution had better be holding it up as an example of how not to do it. jh