How to resolve Server Error '/' in Application in SmarterMail?

Sometimes, you will receive an error in SmarterMail after upgrading its version. This might occur because of the mismatched .Net frameworks' version. This article will guide you on how to resolve this "Server Error in '/' Application" error in SmarterMail in Windows VPS.

Server Error '/' in Application in SmarterMail

To resolve this error kindly follow the below mentioned steps:


  1. Login to your VPS via RDP.

  2. Go to Start → Administrative Tools → Internet Information Services (IIS) Manager.

    Go to Application Pools and Select SmarterMail's Application Pool

  3. Expand your VPS hostname → select the Application Pools option.

  4. You need to set the .Net Framework version to 4.0 (Integrated) from 2.0 (Classic). Also mark the checkbox 'Start the application pool immediately' and click on OK.

    Change .Net Framework of SmarterMail's Application Pool

  5. This will resolve the error of SmarterMail, and will make the SmarterMail functioning as usual.

    Resolution of Error
  • 3 Users Found This Useful

Was this answer helpful?

Related Articles

Do You Have A SmarterMail Demo Account?

SmarterMail provides flexible email server for individuals, small businesses, and...

How to clear spool of SmarterMail server?

Please follow the below mentioned steps to clear the spool of a SmarterMail server. Login...

How to check/monitor email traffic from SmarterMail admin?

Following are the steps to check/monitor email traffic from SmarterMail admin login: Login to...

Why does the subject prefix SPAM-LOW appear in each email I receive?

If you see the word SPAM in the subject line of receiving emails, it indicates that SmarterMail...

How to override Spam Filtering settings for particular email account?

Following are the steps to override Spam Filtering setting for particular email account:...