It looks like Thunderbird itself has a bug with wrapping in plain text. If I disable all addons ("thunderbird -safe-mode") and then edit a draft, Thunderbird wraps it to about mailnews.wraplength-12 (60, if 72 (the default) is configured).
This appears to get applied after any addon handling (like with Enigmail and External Editor), or when re-editing a draft. TEST CASE: 1. Create a new message (plain text) 2. Enter the following text: 1 3 5 7 9 1 3 5 7 9 1 3 5 7 9 1 3 5 7 9 1 3 5 7 9 1 3 5 7 9 1 3 5 7 9 1 3 5 7 9 1 3 5 7 9 3. Thunderbird will wrap it after 60 chars, although 72 is configured -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1017563 Title: Enigmail uses mailnews.wraplength unconditionally when signing (ignoring "Enable Word Wrap" setting from the "Toggle Word Wrap" addon) To manage notifications about this bug go to: https://bugs.launchpad.net/enigmail/+bug/1017563/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs