How to Configure WP 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.

Or from menu bar, select Tools > Account Settings.
2. Enter your Full name, your Email address and Email password. Then click Continue.

3. Click on Manual Configuration.
Enter the following values in their respective fields

Incoming server host name: imap.worldposta.com
Port: 993
SSL: SSL/TLS
Authentication: normal password
 
Outgoing server host name: imap.worldposta.com
Port: 465
SSL: SSL/TLS
Authentication: normal password