Can you look how things look in your send folder ? Are you using exchange to send (as the to hearder might be added by the smtp server).
So you want : 1) a warning when To: header is empty 2) something else ? I'm not sure about 2. I'm also not sure having an empty TO: field is illegal. According to http://tools.ietf.org/html/rfc2822#section-3.6 te To: field is even optional. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/702097 Title: Some versions of Outlook misinterpret mails with only BCC recipients -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs