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I can receive emails, but sending them generates this error:

503 valid RCPT command must precede DATA

 

I have changed ports, removed the archive file, turned off the firewall, nothing seems to work.

 

Any ideas would be appreciated. Thanks!
Hi 55_ghost

 

Welcome to the Community Forums.

 

Have you checked out the Microsoft Support Forums?  I found this over there and there seems to be a whole lot more help over there.

 

Hope that helps?

 

Regards, Baldrick

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