SMTP and IIS 7.5 on server 2008

Posted on 2011-09-21
Last Modified: 2012-05-12
I just moved a site from an old 2003 server with IIS6 to a server 2008 with IIS 7.5 now none of my contact forms work. I get an Internal Error 500 whenever I click the submit button. I Installed SMTP on the server but that's about as far as I gotten with no real solution. The site uses some asp pages to do the mail send. I just need these emails to get out of my server and sent to the p[roper inbox. This is very hot as it is costing us tons in ad words
Question by:padillrr
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LVL 24

Expert Comment

by:DBAduck - Ben Miller
ID: 36577855
You have to make sure that the app pool account has read write to the directory c:\inetpub\mailroot\Pickup.

Author Comment

ID: 36577941
Sorry not really sure how to add an app pool to the security of a directory is it down at the folder level or at the IIS level?
LVL 24

Accepted Solution

DBAduck - Ben Miller earned 500 total points
ID: 36577992
Well, inside IIS you have a website, and if you click on Basic Settings of the website it will tell you which App Pool it is using.
Then go into Application Pools and find that app pool and it will show you which Identity it is using.

If it is using Application Pool Identity, then you can go here and see how to get it to be added to the security of the directory.
If it is using a User Account, or Network Service, etc. then you can open Explorer and navigate to the \inetpub\mailroot and right click on the Pickup directory and choose Properties, then Security and add that user to the permissions and give it modify permissions to the Pickup Folder.

You can read about it here:

Example Command: (substitute your app pool name)
icacls c:\inetpub\mailroot\Pickup /grant "IIS APPPOOL\DefaultAppPool":(OI)(CI)(RX)(M)
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Author Comment

ID: 36578069
OK I followed all the instructions per ur posting, The error is no longer appearing when I go to our contact form and press submit but there are no emails being delivered to the inbox. I sent a test message from the contact us form and nothing showed up.....

Author Comment

ID: 36578071
From my point of view you've earned the points, cause the error is gone but I still need to get those emails.
LVL 24

Expert Comment

by:DBAduck - Ben Miller
ID: 36578110
Is anything in the queue folder of c:\inetpub\mailroot?  Is anything still in the pickup folder?

Is the SMTP service started and have you set the properties in the site for SMTP?  If you do into the Site in IIS manager and look at the features.  You should see SMTP and you should double click and set the properties of that service.

Then try again.

Author Closing Comment

ID: 36578124
Great Job Thanks!

Author Comment

ID: 36578127
I had an external IP instead of our internal IP once I changed that the mail flowed.

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