I figured it out, it was my antivirus software blocking port 25...
[quoted text, click to view] "sjs" wrote:
> I've got a small subnet (192.168.0.x) made up of two computers and a
> production subnet (10.1.1.x) where all users and my Exchange server reside.
> "Bridging" the two networks sits a server that it dual-homed to both networks
> (two nics: 192.168.0.1 and 10.1.1.100). Sitting on this server is SQL and
> IIS. The 192.168.0.x computers run an application which upon an event sends
> an SMTP email to a production network user who use Exchange as their email
> server.
>
> My challenge is to get the SMTP email fm the 192.168.0.x computer thru the
> dual-homed server to the Exchange server. To do this I've configured the
> dual-homed server's IIS to run SMTP (see KB293800) with hopes it will rcv the
> 192.168.0.x SMTP email and relay it to the Exchange server. However I am not
> getting email to an Exchange user. I've tried many of the IIS/SMTP
> configuration settings with no luck.
>
> To troubleshoot I installed the application on the IIS server and
> successfully sent an SMTP email to the Exchange server/end user. This tells
> me the problem in either the application isn't sending the SMTP email (I
> don't think this is it) or the IIS/SMTP isn't configured properly. I've
> stopped/started the services, no luck.
>
> One thing that puzzles me is how I can tell if the IIS server rcv'd the SMTP
> email. When I check the C:/INetpub/mailroot/badmail, drop, queue, etc
> directories I don't see anything hitting it. Is that a clue?
>
> tks in advance,