Thunderbird 1.0 E-mail setup (IMAP)
1. Go to the File menu and select New | Account...

2. Choose Email Account and click Next to continue.

3. Identity:
Your Name: type in your real name or initials
Email Address: type in your full e-mail address
Click Next to continue.

4. Server Information:
Choose IMAP
Incoming Server: type in mail.yourdomainname.com
Outgoing Server: type in mail.yourdomainname.com
Click Next to continue.

5. Your Incoming User Name will be your full email address. Click Next to continue.

6. Enter a name that refers to this account you're setting up. Click Next to continue.

7. Congratulations! After you click Finish, it will bring you back to the Account Settings window.

8. At the Account Settings window, click on the Outgoing Server (SMTP) section to check on your settings for sending email. To use our mail server to send make sure to have the following information listed. The checkbox for Use name and password should be marked. Just as when you provide a user name and password to receive email from the mail server, you also need to provide a user name and password to send email. Click OK to close the Account Settings window and return to the main screen.
