- Click on the Display Thunderbird menu icon
- On the menu that loads go to Preferences and select Accounts Settings
- From the Account Actions drop down menu select Add Mail Account
- Now type in Your Name, Email address and Password and press Continue (press manual-config if it takes a while)
- Make sure for incoming server IMAP is selected
- For incoming and outgoing Server hostname use mail.eoni.com
- For Connection Security, select SSL/TLS for both incoming and outgoing
- Verify that the incoming port is 993
- Verify that the outgoing port is 587
- For Username Use your full email address
- Click on Re-test, if it works click on Done otherwise review your settings