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unable to send e-mail via SMTP

Posted on 2011-09-23
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Last Modified: 2012-05-12
Here goes and sorry if this is long, this issue is driving me nuts.

We host an accounting package for 5 municipal offices. When users payout ot vendors they want to do it electronically and send an e-mail with payment notification. The users are accessing the system via RDP and to send the e-mails SMTP needs to be used. The software vendor calls a ini file with all the settings for a user and this includes the SMTP initialization. When the user performs  the A/P function it creates individual PDF's that are the Payment notitication and then using SMTP the server is supposed to send them, this where it breaks down, the PDF's get created but never sent.

The vendor and I have confirmed that SMTP is working as I can send e-mails via telnet to my hotmail account and to other accounts as well from the Terminal Server, but the pdfs are not going. This same system works fine outside of Terminal Server as Outlook and our exchange Server is used, btw we are using Exchange 2007. What can I do to check and see if the problem is the server? I would like to eliminate it so that I can go back to the software vendor adn ask them to fix their application.
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Question by:Serge Martin
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LVL 13

Expert Comment

by:BCipollone
ID: 36589097
If you have already verified that SMTP is working from the Terminal Server I would contact the tech support for that 3rd party product.
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LVL 15

Expert Comment

by:.
ID: 36589103
Do you have anti spam agents installed ? I would start by running get-agentlog to see if this is blocking these messages being sent.

http://technet.microsoft.com/en-us/library/aa996044(v=exchg.80).aspx
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LVL 2

Expert Comment

by:jojo_OR
ID: 36589121
Is the smtp server set up to relay to your exchange server?
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Author Comment

by:Serge Martin
ID: 36589153
The SMTP serve is set to relay to the exchange server.
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Author Comment

by:Serge Martin
ID: 36589274
no antispam agents are not blocking
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LVL 2

Expert Comment

by:jojo_OR
ID: 36589357
it'll be interesting to see if the A/P app can even send emails without attachments, or if you can manually send pdf attachments using the smtp serverwithout the A/P app.
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LVL 15

Expert Comment

by:.
ID: 36589561
Make sure your connector logging is set to verbose so you can see the SMTP transcript, get the same from the smart host. Everything is or can be logged.
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Author Comment

by:Serge Martin
ID: 36589577
it is set to verbose, looking at this right now.
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Accepted Solution

by:
Serge Martin earned 0 total points
ID: 37219488
The issue was with the vendor script to send e-mail from our server. They corrected the script added an additonal line in the SMTP and all works now
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Author Closing Comment

by:Serge Martin
ID: 37628411
Vendor of software supplied answer
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