Hi Everyone,
After a long time back to list and looking for small help. Getting below bounce: 2013-03-29 07:38:11.124342500 CHKUSER accepted sender: from <j...@mfeformwork.com::> remote <tx2outboundpool.messaging.microsoft.com:unknown:65.55.88.12> rcpt <> : sender accepted 2013-03-29 07:38:27.284377500 spamdyke[24197]: DENIED_OTHER from: j...@mfeformwork.com to: jigersa...@ikf.co.in origin_ip: 65.55.88.12 origin_rdns: tx2ehsobe002.messaging.microsoft.com auth: (unknown) encryption: (none) reason: 503_MAIL_first_(#5.5.1) Unable to understand and resolve the same. Amit Dalia