[ovs-dev] Mail System Error - Returned Mail

[MAILER-DAEMON]

The original message was received at Thu, 4 Jun 2015 23:22:24 +0200
from openvswitch.org [139.206.246.16]

----- The following addresses had permanent fatal errors -----
dev at openvswitch.org

----- Transcript of session follows -----
... while talking to mail server 92.169.105.202:
>>> MAIL FROM:"MAILER-DAEMON" <postmaster at openvswitch.org>
<<< 500 Domain unknown