The issue arises when attempting to add SMTP server settings without providing SMTP server authentication information.

This problem has been addressed, and the fix will be integrated into Vembu BDR Suite v3.9.0 release. For existing setups, follow the steps below:

1. Stop Vembu BDR/Vembu OffsiteDR Service.

2. Download the fix from the appropriate link based on your current version:

1. If using Vembu BDR Suite v3.8 Update1 (Build No: 3802017102614) download the fix 
2. If using Vembu BDR Suite v3.8 (Build No: 3802017072122), download the fix 
   

3. Navigate to: `<vembu_bdr vembu_offsitedr_installation_location="">/htmlgui/common/mailer`. Rename the "class.phpmailer.php" file to "class.phpmailer_ori.php" and replace it with the newly downloaded "class.phpmailer.php" file.

4. Navigate to: `<vembu_bdr vembu_offsitedr_installation_location="">/htmlgui/controller`. Rename the "services.js" file to "servicesori.js" and "controller.js" to "controllerori.js". Then replace these files with the newly downloaded "services.js" and "controller.js".

5. Restart Vembu BDR/Vembu OffsiteDR service.

6. Configure the email settings without selecting authentication.