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Email Alert Failure on WSUS server

By otaku_lord ·
I have a WSUS server set up and working. I keep getting errors however saying that Email Notifications are failing.

When I attempt to test the emailing capabilities of the WSUS server I receive an error saying:

System.Net.Mail.SmtpException: Syntax error, command unrecognized. The server response was: Your IP x.x.x.x does not have a reverse DNS entry. Diconnecting...

I have verified that the server does, in fact, have a PTR entry in Reverse Lookup.

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All Answers

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RESOLVED!

by otaku_lord In reply to Email Alert Failure on WS ...

There were some legacy entries in DNS for an old DC. I removed them and all is well.

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Oh crap...

by otaku_lord In reply to RESOLVED!

they are back! Does anyone have a clue about these? I have combed through DNS and have found nothing in there that appears to be out of the ordinary.

This is really getting to be annoying...

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is your DNS server the authoritative DNS server for the domain name?

by CG IT In reply to Oh crap...

and does forward and recursive DNS test "pass"?

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Sorry for the delayed reply...

by otaku_lord In reply to is your DNS server the au ...

but I had a few other fires to put out...

To answer your questions:

For that segment of the network, the correct DNS server responds to both internal and external DNS queries successfully. I used both NSLOOKUP and "PING -a" to test. It resolved both IP and Named paths.

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Resolved again...

by otaku_lord In reply to is your DNS server the au ...

Since I didn't set up the WSUS server I assumed (***/u/me) that it was set up correctly... well, the person who set it up entered the wrong email. Once I changed that it tested fine!!

Sorry to bother everyone with an ID10T error.

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