Problem is that there was a bogus configuration element workaround is to manually edit configuration file in .config/evolution/mail/sources
to find the problem file do grep ^Email= * And you'll find a file with a line saying Email= Change this file to add your actual sending email and the message will go away (and email will now send correctly) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1056942 Title: The reported error was "Exchange server cannot send message as 'x...@xx.xx', when the account was configured for address 'NULL'". To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/evolution-ews/+bug/1056942/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs