I had the similar problem. I just went to Edit -> Preferences -> Contacts and then removed the tick mark from the 'Always Show the Address of autocompleted contact'. It seems that the problem has been solved for now. Please see if it works. Namasteji.
-- Comma from "Lastname, Firstname" in Evolution addressbook leads to failure to send mail (address separation) https://bugs.launchpad.net/bugs/210917 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs