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Vista vs Email

By Mickster269 ·
(OK, it's not really off-topic. But people in there are smart)


So.. we HAD to upgrade one computer to Vista, so we could test our software on it.

Of course, everything worked fine when it was an XP machine.

Now, (although nothing else has changed),the computer will recieve mail, but the blasted machine refuses to send email outside the domain. It does return this error message:

Server: 'mail.*********.com ' Protcol: SMTP, Server Resonse: '550 5.7.2 unable to relay for mickster@****.net, port 25, secure (SSL) No, Server Error: 550, Error Number: 0x800ccc79

WE are useing the mail server program in Server 2003, and a simple POP 3 mail service.

Any ideas on how to get the mail sent?

Thanks!

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SMTP Authentication

by blazinride In reply to Vista vs Email

The SMTP server is telling you that it cannot relay for that user. Did you have relay authentication set up for that SMTP server via computer accounts instead of user accounts? I would check your relay settings on the SMTP server. Is that message coming from your internal mail server, or your isp's server? If its coming from your ISP's mail server, it may be a problem with the email address.

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SMTP Authentication

by Mickster269 In reply to SMTP Authentication

It's coming from our internal mail server. The message never gets out of the building. We CAN email inside the domain.

We have found out (so far) that if we assign the computer a static public IP, it can send mail.

I will check into how the Authentication is set up (user vs computer)- thanks for the tip!

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