Ajit, I think more information is necessary to troubleshoot this problem. Please post an example of one of the error messages you're getting. Greg Lara ---------------------------------------------------------------------------- --------------------------- This e-mail message may contain privileged, confidential and/or proprietary information intended only for the person(s) named. If you are not the intended recipient, please destroy this message, and any attachments, and notify the sender by return e-mail. If you are not the intended recipient(s), or the employee or agent responsible for delivering the message to the intended recipient(s), you are hereby notified that any dissemination, disclosure or copying of this communication is strictly prohibited. ---------------------------------------------------------------------------- --------------------------- -----Original Message----- From: ajityadav [mailto:ajityadav@xxxxxxxxxxx] Sent: Tuesday, December 07, 2004 5:18 AM To: [ExchangeList] Subject: [exchangelist] Unrouted mail http://www.MSExchange.org/ Hi Dear All I HAVE SOME PROBLE RELATED TO MAILS WHEN I SEND TO MAIL ON SOME DOMAIN LIKE @ABC .COM AND @XYZ.COM THAT MAIL ARE RETRUN THE MASSAGE HAS FOUND UNROUTED PATH AND SOME TIME DOMAIN NOT FOUND. BUT ALL DOMAIN IS GENUN AND RECEIVED MAIL TO ALL THESE DOMAIN WHEREI GOT THIS MASSAGE. . THERE HAVE DNS RELATED PROBLE AND WHAT PLEASE ADVICE ME I HAVE EXCHNAGE 5.5 WITH WINDOWS NT4 AJIT