The original message was received at Fri, 5 Aug 2016 05:03:32 +0800 from mm-sol.com [121.104.194.244] ----- The following addresses had permanent fatal errors ----- <dev at openvswitch.org> ----- Transcript of session follows ----- while talking to openvswitch.org.: >>> MAIL From:grosikopulos at mm-sol.com <<< 501 grosikopulos at mm-sol.com... Refused