Configure WorldPosta on Thunderbird - (Recommended: use the latest version) https://www.mozilla.org/en-US/thunderbird/

  1. Launch Thunderbird
  2. In your Thunderbird home screen, Click on Email.
  3. Or from menu bar, select Tools > Account Settings.
  4. Enter your Full name, your Email address and Email password. Then click Continue.
  5. Click on Manual Configuration
  6. Enter the following values in their respective fields
  7. Incoming server host name: imap.worldposta.com // Port: 993 // SSL: SSL/TLS // Authentication: NTLM
  8. Outgoing server host name: imap.worldposta.com // Port: 465 // SSL: SSL/TLS // Authentication: NTLM