Go to Tools > Account Settings > Account Actions > Add Mail Account.
Specify the following:
Your name, as you want it to appear in any messages you send.
Your e-mail address and password.
Click Continue.
If Thunderbird fails to find the settings automatically, specify the following:
Account type. If you want to keep copies of messages on the server, select the IMAP option. If you do not want to keep any messages on the server, select thePOP3 option.
Click Create Account.
If you set up a mail account manually, please use the following typical combinations of connection security and authentication method settings
Connection security: None
Authentication method: Encrypted password or Password, transmitted insecurely
Other parameters that you may need when configuring your account manually:
POP3 port: 110
IMAP port: 143
SMTP port: 25
Alternate SMTP port: 587 (If port 25 is blocked)
Username. Your full e-mail address. For example: johndoe@example.com.
Incoming server address (POP3/IMAP). Specify your website's Internet address. Example: mail.example.com
Outgoing server address. Specify your website's Internet address. Example: mail.example.com
