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	[x] Attachment Details

<xoxoxo.xoxoxox.com #5.5.0 smtp;550 - xx.xxx.xxx.xx blocked by ldap:ou=rblmx,dc=worldnet,dc=att,dc=net> Help need to send to att.net

Zone: Windows 2000 Operating System

Tags: rblmx

I am having problem sending to an email address that is on att.net. I am using Exchange Enter 2003 on a Win2003 sever.

Your message did not reach some or all of the intended recipients.

Subject: Test message
Sent: 11/16/2006 3:38 PM

The following recipient(s) could not be reached:

XXXXXXXXX@att.net on 11/16/2006 3:39 PM
There was a SMTP communication problem with the recipient's email server. Please contact your system administrator.
<yyyyyyy.zzzzzzzzzz.com #5.5.0 smtp;550-xx.xxx.xxx.xx blocked by ldap:ou=rblmx,dc=worldnet,dc=att,dc=net>

When I do have a reverse DNS look up of the xx.xxx.xxx.xx i get my zzzzzzzzzz.com A record. Anyone got any suggestions.

I have turn on SMTP logging and this is what I get.

2006-11-16 21:39:28 12.102.240.23 OutboundConnectionResponse SMTPSVC1 BUNO-01 - 25 - - 220+worldnet.att.net+-+Maillennium+ESMTP/MULTIBOX+mtiwmxc17+#116 0 0 64 0 1234 SMTP - - - -
2006-11-16 21:39:28 12.102.240.23 OutboundConnectionCommand SMTPSVC1 BUNO-01 - 25 EHLO - yyyyyyy.zzzzzzzzzz.com 0 0 4 0 1234 SMTP - - - -
2006-11-16 21:39:28 12.102.240.23 OutboundConnectionResponse SMTPSVC1 BUNO-01 - 25 - - 250-worldnet.att.net 0 0 20 0 1500 SMTP - - - -
2006-11-16 21:39:28 12.102.240.23 OutboundConnectionCommand SMTPSVC1 BUNO-01 - 25 MAIL - FROM:<username@zzzzzzzzzz.com>+SIZE=3603 0 0 4 0 1515 SMTP - - - -
2006-11-16 21:39:28 12.102.240.23 OutboundConnectionResponse SMTPSVC1 BUNO-01 - 25 - - 550-xx.xxx.xxx.xx+blocked+by+ldap:ou=rblmx,dc=worldnet,dc=att,dc=net 0 0 68 0 1547 SMTP - - - -
2006-11-16 21:39:28 12.102.240.23 OutboundConnectionCommand SMTPSVC1 BUNO-01 - 25 QUIT - - 0 0 4 0 1640 SMTP - - - -
2006-11-16 21:39:28 12.102.240.23 OutboundConnectionResponse SMTPSVC1 BUNO-01 - 25 - - 221+worldnet.att.net 0 0 20 0 1672 SMTP - - - -

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7.6

Question Stats

Zone: OS

Question Asked By: metlogistics

Solution Provided By: carrzkiss

Participating Experts: 2

Solution Grade: B

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