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Task manager sending email notifications

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  • I had 2 servers successfully emailing task manager notifications of backups that suddenly stopped working. One stopped working immediately after introducing another 2008 DC into the domain. The error code reported is 2147746321 which I found means "invalid address". I know the sender, recipient and server info is correct, and I have 3 different mail servers I can use to send through. Two external SMTP servers give the above code and trying through my exchange server gives me a 2147746323 code.
    Manually sending SMTP email with telnet commands from this server through all 3 SMTP servers succeed.
    Why would it stop working suddenly and how can I fix it?
    Thursday, February 25, 2010 9:20 PM

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