Seems like this was fixed with emacs 25. I was also having this problem (or something very similar) with emacs 24.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1292630 Title: 24.3; Emacsclient freezes if mutt attaches a signature To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/emacs-defaults/+bug/1292630/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs