Laxmaanan, The server is telling you clearly that you have SMTP relaying access denied, check the permissions on the SMTP of the server, you have denied everyone access to your server. Probably you were trying to configure your server to be able to block SPAM mails. -----Original Message----- From: Mulnick, Al [mailto:Al.Mulnick@xxxxxxxxxx] Sent: Monday, December 22, 2003 5:28 PM To: [ExchangeList] Subject: [exchangelist] Re:Exchange returned error http://www.MSExchange.org/ RFC's would be a good place to look for the error codes if you want them. RFC 821/822/2821/2822 would be helpful here. However, the message tells you what the problem is :) -----Original Message----- From: laxmaanan [mailto:laxmaanan@xxxxxxxxxxx] Sent: Friday, December 19, 2003 11:31 PM To: [ExchangeList] Subject: [exchangelist] Re:Exchange returned error http://www.MSExchange.org/ Dear sir, I have been anyed due to following error messages returned by the Exchange server 2000 1) did not reach the following recipient(s): neerajs@xxxxxxxxxxxx on Fri, 19 Dec 2003 17:25:05 +0530 You do not have permission to send to this recipient. For assistance, contact your system administrator. <auromail.aecsmail.aravind.org #5.7.1 smtp;550 5.7.1 <neerajs@xxxxxxxxxxxx>... Relaying denied> 2) People are getting connection died information who are sending message from Yahoo.com and some other domains. Header as follows: X-Apparently-To: laxmaanan@xxxxxxxxx via 216.136.131.221; Wed, 10 Dec 2003 23:50:49 -0800 Return-Path: <> Received: from 216.136.131.231 (HELO web11401.mail.yahoo.com) (216.136.131.231) by mta110.mail.scd.yahoo.com with SMTP; Wed, 10 Dec 2003 23:50:49 -0800 Date: 11 Dec 2003 07:50:49 -0000 From: MAILER-DAEMON@xxxxxxxxx Add to Address BookAdd to Address Book To: laxmaanan@xxxxxxxxx Subject: failure delivery ---------------------------------------------------------------------------- -------------------- Message from yahoo.com. Unable to deliver message to the following address(es). <laxmaanan@xxxxxxxxxxx>: Connected to 210.210.8.108 but connection died. (#4.4.2) I'm not going to try again; this message has been in the queue too long. 3) Is there any list available for these error nubers to find out the reason for returned message. Help me out please. ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ ------------------------------------------------------ Other Internet Software Marketing Sites: Leading Network Software Directory: http://www.serverfiles.com No.1 ISA Server Resource Site: http://www.isaserver.org Windows Security Resource Site: http://www.windowsecurity.com/ Network Security Library: http://www.secinf.net/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------ ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ ------------------------------------------------------ Other Internet Software Marketing Sites: Leading Network Software Directory: http://www.serverfiles.com No.1 ISA Server Resource Site: http://www.isaserver.org Windows Security Resource Site: http://www.windowsecurity.com/ Network Security Library: http://www.secinf.net/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------