Protonmail Email Settings for Thunderbird

Step Wise Manual Protonmail mail settings for thunderbird

If you don't have a Protonmail mail address.
you can create an email id from here then you can Protonmail email login.

• Open Thunderbird Software App. Click on Email
  
  
• When you click on the email, pop-up Set UP an Existing Account Screen.
  Enter Your name, Protonmail Email address and Password then press Continue.
  
  
• Click on the Manual config menu at bottom.
  
  
• Enter Below Protonmail incoming server settings.
  In incoming click on the dropdown menu and select IMAP.
  Add server host : 127.0.0.1
  Port: 1143
  select SSL/TLS
  
• Enter Below Protonmail outgoing server settings.
  In outgoing select SMTP.
  Add server host : 127.0.0.1
  Port: 1025
  select SSL/TLS
  
  
• Tap on Done. Now you are ready to use your Protonmail email account on your Thunderbird.