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SMTP Problem: mail not leaving domain

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rhyno2k

IS-IT--Management
Joined
Jun 9, 2001
Messages
222
Location
US
Hi,


I have an ASP script on one of our web sites that sends a user their password if they've forgotten it... pretty simple... But the script will only work if the recipient is within our corporate domain.

Anything sent outside of our domain never reaches its intended recipient, and there are no errors generated via ASP script. After about 15 minutes, there is a 4000 event logged in the Event Viewer. Any "regular" email sent through this server (via, Outlook, OE, etc.) works fine with no errors.

I'm running IIS 5.0 SMTP Service (on W2K server SP2). I'm _not_ running Exchange Server. I did some more investigating and found that all letters to recipients outside of the corporate network are being dumped, as .EML files, into the \mailroot\queue directory, where they are never sent...

Eventually messages end up in the \mailroot\badmail directory as three parts: a .BAD file, a .BDP, and a .BDR.

I've tried setting up our ISPs mail server as a Smart Host under SMTP, but that hasn't had any effect. MX and A records seem to be set up properly registering mail.mycompany.com with the appropriate IP address... just can't email out through ASP scripts!!

And all of the files in \badmail are dated after our install (and quick subsequent UNinstall) of ISA Server... It was working before then... So I suspect ISA had something to do with it -- perhaps when the "Secure SMTP Server" (something like that) wizard was run?

I'm currently looking through DNS configuration... but I'm totally at a stopping point, and the "big guy" has just asked about the problem again!!


Timely advice would be appreciated! Thanks!
SEAN

p.s. Running FTGate Office for POP mail
 
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