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Unable to send emails to Mindspring.com

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Running Microsoft Exchange 5.5 (SP2) on
NT 4.0 (SP 4), only one server, one site

I get the following message & do not know how to fix it; what really throws me is the reference to the telephone number;
I am able to ping & telnet to mindspring.com

"Unable to deliver the message due to a communications failure
The MTS-ID of the original message is: c=US;a= ;p=RELIANCE STEEL ?;l=TUBING-010308165032Z-6560
MSEXCH:IMS:RELIANCE STEEL & ALUMINUM CO.:RELIANCE:TUBING 3550 (000B099C) 550 telephone number listed in your documentation

3 replies

by shanghai sam

The message headers are very important. Is the message coming from the mindspring.com server? Is the message coming from your host relay (the ISP you get service from). I am no longer running exchange but I suggest you check the message header asthis will identify where the message is being returned from.

1) your server,
2)your host relay
3)mindsprings server

If all other messages are OK, I suggest you try a different mindspring account, like administrator@mindspring.com or abuse@mindspring.com.

Good luck.

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