Once you’ve downloaded Thunderbird 3 you will get the Mail Account Setup Wizard screen: Enter your Name, Email Address and Password for your email account. Select Continue.
E-Mail Screenshot9

Select Stop button

E-Mail Screenshot10

See below diagrams for the following changes:

    • Change IMAP to POP
    • Change 143 to 110
    • Change STARTTLS to None
  • Select Manual Setup
    E-Mail Screenshot11