1. Open your Thunderbird and click Tools and Account Settings. Then click on Server Settings. Change Server Name to pop.nconnect.net, and set User Name to your full email address. It should look like below.

2. Click on Outgoing Server (SMTP), then click on the Edit button.

3. Set the description to Bertram, and configure other fields to match the screen shot shown below by adding the server name to read: smtp.nconnect.net. Check the box Use name and password. Substitute your email address in the User Name field.

4. Click OK and then OK again. Your thunderbird should now work on the new mail system.