The original message was received at Sat, 22 Aug 2015 16:28:44 +0800 from cisco.com [52.135.128.110] ----- The following addresses had permanent fatal errors ----- <dev at openvswitch.org> ----- Transcript of session follows ----- while talking to openvswitch.org.: >>> MAIL From:sramars at cisco.com <<< 501 sramars at cisco.com... Refused