How do I set up my mailbox in Thunderbird?

To add your mailbox in the Thunderbird mail client, please follow these instructions:

1. In Thunderbird, click on the main menu icon (three horizontal lines) at the top right of the screen.
2. Click Options / Account Settings.
3. Click the Account Actions menu (bottom left).
4. Click Add Mail Account.
5. Enter Your name, Email address and Password and click Continue.
6. Click Manual config.
7. For the Incoming IMAP server, enter secure.greatmail.com
8. For Incoming SSL, select SSL/TLS.
9. For the Outgoing SMTP server, enter secure.greatmail.com
10. For  Outgoing SSL, select STARTTLS.
11. For Outgoing Port, enter 2500
12. For Username Incoming and Outgoing, enter your full email address.
13. Click Re-test.
14. Click Done.