I had the same problem with multiples mailboxes in IMAP (with folders and subfolders, many of them are > 500 messages, > 3000 messages (with filters)).
I had it on startup, without having the time to read one message. ** Attachment added: "thunderbird crash on startup" http://librarian.launchpad.net/6640966/_usr_lib_mozilla-thunderbird_mozilla-thunderbird-bin.1000.crash -- Crash while retrieving a message through IMAP https://launchpad.net/bugs/71604 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
