smtp log question

I'm starting a new contract (and as usual, spending way too much time troubleshooting the client's equipment instead of pushing the asp/sql.  I'm a developer, not a server guy).  It's unclear if SMTP from this server has ever worked properly.  Windows 2k server, IIS 5.0

Here's an excerpt from the smtp server log (sitename changed to protect the guilty):

#Fields: date time c-ip cs-username s-sitename s-computername s-ip s-port cs-method
2006-11-27 18:40:34 10.26.11.1 testsvr SMTPSVC1 TESTSVR 10.26.11.1 0 EHLO
etc. etc. A full SMTP exchange seems to go on.  

I'm no old hand with smtp, but this appears that smtp is checking itself and transfering the files to itself or something like that.  I'm also confused by the s-port = 0, why not 25?  Obviously, the IP range is for intranet.  

I've created some mail that just sits in Que.  Eventually it ends up in BadMail. Nothing about this set up makes sense to me.   Any ideas where to begin?  

Also, from the logs it looks like smtp fires only once per day.  I've turned on full logging to try to get a better pix of what's going on.  

Rick


rhkennerlyAsked:
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maehdrosConnect With a Mentor Commented:
In Internet Services Manager, right click Default SMTP Virtual Server, Properties, Delivery, Advanced. Clear the Smart Host field. This assumes that DNS is operating correctly on the server.

You may also need to modify the Fully Qualified Domain Name or the Masquerade Domain (if you send a message that matches these names, it will think it should route to itself). Also, verify that LDAP routing is not enabled on the LDAP Routing page.

Cheers.
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