This behaviour for me was totally related to an MS Exchange mail account being active, Once disabled never happened again.
-- Evolution hangs with "Formatting Message" after several hours https://bugs.launchpad.net/bugs/175233 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug assignee. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs