MS Exchange Email not sending or receiving after uninstall/reinstall of SMTP service? Link to Postini broken maybe?


I think I broke an Email server on Friday....  I was trying to setup Email notification for Veritas BackupExec and when the test messages weren't sent, well, without thinking it through I uninstalled and reinstalled SMTP service from Add/Remove Windows Components.  Since then it seems that no mail is getting in or out.

I don't have remote access to this server (I did briefly yesterday) so I'm not sure I can provide enough specific info here but I will be heading into Manhattan tomorrow to try to sort things out and I'm hoping someone out there will be able to point me in the right direction.  The server is Windows Server 2003 (SBS?) and it's running Exchange 2003 Standard SP2 through Postini.  My guess is that the configuration for Postini is gone, and I put a call in to them yesterday but have not heard back yet (no weekend support?  What up wit' dat?!?).  Anyway, I have limited experience with Exchange and zero experience with Postini...

The Exchange services are all started, the server was re-booted, and the Information Store is mounted and stays up.  Outlook clients are able to connect and see their existing mail, but nothing new has come in or gone out in two days.  There were some SMTPSVC 4000 and 4006 entries in the error log when I was able to connect in and look at it, as well as MSExchangeMTA entries that I don't recall the # for at the moment....

My two questions are these:  One, how do Exchange and Postini work together?  Where are the settings/configuration for this integration stored in the default/basic configuration?  And two, what are the basic troubleshooting steps I will need to use to determine where stuff is getting stuck?

Quite honestly, I'm in way over my head here and any help is greatly appreciated.

fixitjrAsked:
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Exchange_AdminCommented:
"I think I broke an Email server on Friday....  I was trying to setup Email notification for Veritas BackupExec and when the test messages weren't sent, well, without thinking it through I uninstalled and reinstalled SMTP service from Add/Remove Windows Components."
Yep that broke it for sure.

"My guess is that the configuration for Postini is gone, and I put a call in to them yesterday but have not heard back yet (no weekend support?  What up wit' dat?!?).  Anyway, I have limited experience with Exchange and zero experience with Postini..."
I don't know about Postini, but there is at least a major problem with Exchange now.

First a little background info for you.
To install Exchange you must have the SMTP and NNTP services installed. The reason you ask? Exchange uses the SMTP service to send and receive emails. When Exchange is installed it modifies the SMTP service.

So by removing and reinstalling the SMTP service, you have lost these changes to the SMTP service.

Resolution to this problem:
See this article. Pay attention to the SMTPReinstall tool in the resolution section.
XIMS: Cannot Send Mail After Re-Installing the IIS SMTP Service
http://support.microsoft.com/kb/290290/en-us

You may also want to post a question pointing back to this one in the SBS TA unless there may be something else to be aware of.
SBS TA:
http://www.experts-exchange.com/Operating_Systems/SBS_Small_Business_Server/

Hope this helps.
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fixitjrAuthor Commented:

 
Thanks for the quick response.  That was exactly it, and the Postini connection worked fine after I got SMTP back in order.

EE comes through again!  Yay!  

You guys are the best!



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