It works for me without a port number, so the bug as written is incorrect. Port number is NOT required. Adding the port number is a workaround for some other issue, so my advice is to figure out what that is.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/769514 Title: Mail not sent unless relayhost has a port number -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs