This article will provide the steps to locate the mail server settings. 

Note as your device or email client may be using a different version than that used in this article, the steps or words may be slightly different than presented below.

1. Open Thunderbird
   
   
   
   
2. Select Settings (gear icon, bottom left)
   
   
   
   
3. Select Account Settings
   
   
   
   
4. Select Server Settings
   
   
   
   
5. The Incoming mail server information is displayed. Please change your settings to match the Server Name, Port and User Name settings below
   
   
   
   
6. Select Outgoing Server (SMTP) Please change your settings to match the Server Name, Port and User Name settings below
   
   
   
   
7. The Outgoing mail server information is displayed