When you start the program for the first time, it will ask you to configure the email account.

1. Fill in the user information according to the image.

2. Program will try to load configuration automatically. If the program doesn’t find the correct settings automatically. Choose Manual Config.

3. Choose Server Settings. Fill in mail.shellit.org as Incoming Server and 993 as Port. Choose SSL/TLS enryption.

4. Choose Outgoing Server. Fill in mail.shellit.org as server and 587 as port. Choose STARTTLS as encryption. Then click “Re-test” to check that everything is correct, and then “Done”.

Now you can use your email in Thunderbird.