I filed GNOME bug: https://bugzilla.gnome.org/show_bug.cgi?id=751511
but, I'm not sure that this is gnome specific issue, since it use to work OK and then stopped on my ubuntu 15.04 at some point... ** Bug watch added: GNOME Bug Tracker #751511 https://bugzilla.gnome.org/show_bug.cgi?id=751511 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to evolution in Ubuntu. https://bugs.launchpad.net/bugs/1318971 Title: evolution can not send mail after being open a couple of minutes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/evolution/+bug/1318971/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs