Hi. I'm having an issue with large attachments (I've tried with a 5Mb file) with both RC 0.1-rc2 and 0.2-alpha.
I've setting the PHP max upload size and the files are upload right (to /tmp and then moved to RC temp/), but sending the message fails without error (just the "sending message" notification, but nothing happens). I've also noted that the temp/ directory contains a lot of files (maybe all the files the users have sent?).
Any clue?