I filed a bug upstream, the issue is fixed in v2.7.4. https://github.com/lefcha/imapfilter/issues/218
Here's the fix: https://github.com/lefcha/imapfilter/commit/987ea442fa0aa3dc5f5d59ec89c9a3d818cd48d3 ** Bug watch added: github.com/lefcha/imapfilter/issues #218 https://github.com/lefcha/imapfilter/issues/218 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1904618 Title: /usr/share/imapfilter/regex.lua:10: bad argument #1 to 'compile' (string expected, got nil) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/imapfilter/+bug/1904618/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs