I don't know about the "leave message on server" option. However, In Edit -> Account Settings -> -> Server Seetings, the option is set for "When I delete a message", "Move it to this folder" "Deleted on gmail".
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1215524 Title: Thunderbird deletes messages rather than move them to Deleted To manage notifications about this bug go to: https://bugs.launchpad.net/thunderbird/+bug/1215524/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs