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503 please introduce yourself, first

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I’m running Exchange 5.5 with SP3. I can send to every address except one. That server will except mail from everyone except me. When I send mail to them, I get:

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

Subject:test
Sent: 6/21/00 10:14 AM

The following recipient(s) could not be reached:

‘[email protected]’ on 6/21/00 10:14 AM
Unable to deliver the message due to a communications failure
The MTS-ID of the original message is: c=US;a= ;p=leeperderose;l=MAIL_SERVER-000621141338Z-865
MSEXCH:IMS:leeperderose:DM_DOMAIN:MAIL_SERVER 3503 (000B099C) 503 please introduce yourself, first

My SMTP Log returns this:

05/22/2000 11:36:13 AM : A connection to208.198.163.2 was established.

05/22/2000 11:36:13 AM : <<< 220 firewall SMTPXD version 57 ready at Mon, 22 May 2000 Central Daylight Time 05/22/2000 11:36:13 AM : >>> EHLO mail_server.leeperderose.com

05/22/2000 11:36:14 AM : <<< 200 OK 05/22/2000 11:36:

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503 please introduce yourself, first

In reply to 503 please introduce yourself, first

From the looks of the log, the problem is on the receiving end rather than your end. There are a variety of possibilities (SPAM list/filter, misconfiguration, etc.) but the sysadmin at the receiving server will likely need to fix it on that end.I would contact that person with your SMTP log available for easy reference.

paul

503 please introduce yourself, first

In reply to 503 please introduce yourself, first

Did that; They think it’s my problem.

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