This only happens whtn the 'remind missing attachments' option is checked in composer preferences and one of the keywords is in the e-mail. One of those keywords was in my (corporate boilerplate) signature, and hence it was being triggered on all e-mails.
-- Internal error when sending mail without attachment https://bugs.launchpad.net/bugs/125536 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs