The original message was received at Sat, 21 Nov 2015 10:12:08 +0700 from [109.242.215.38] ----- The following addresses had permanent fatal errors ----- <dev at openvswitch.org> ----- Transcript of session follows ----- ... while talking to 90.123.160.81: >>> MAIL From:abhad at emirates.net <<< 500 abhad at emirates.net... Refused