Open your Thunderbird Client.
Click on the 1) Settings Icon (Gear) and then 2) Account Settings:
Then go to Account Actions -> Add Mail Account:
Put your name, email address and email address password, click Continue:
Configuration should be found automaticlaly, click Done.
You get the confirmation that your account has been created. Click Finish.
Configuring an Email Account on Thunderbird
Setting up your IMAP Email Account from StableHost on the Mozilla Thunderbird Email Client





