Add Account on Thunderbird Type : POP3

Click on icon ‘Email’ 


Click ‘Skip this and use my existing email’


Type your name (English only), your full email, password and click ‘Continue’


Selected POP3 and click on ‘Manual config’


1. Incoming: Port: 110
Outgoing: Port: 587 2. Click on ‘Re-test’
3. After that click ‘Done’


Click ‘Confirm Security Exception’ on POPUP


1. Click ‘Get Mail’ for sync email
2. Click ‘Write’ for compose new email 


Try to send email to your self ‘Send’


After that have popup “Send Message Error” click “OK”


After that click ‘Confirm Security Exception’ again.