Step Wise Manual Xsmail mail settings for thunderbird
If you don't have a Xsmail mail address. you can create an email id from here then you can Xsmail 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, Xsmail Email address and Password then press Continue.
Click on the Manual config menu at bottom.
Enter Below Xsmail incoming server settings.
In incoming click on the dropdown menu and select IMAP.
Add server host :mail.messagingengine.com
Port: 993
select SSL/TLS
Enter Below Xsmail outgoing server settings.
In outgoing select SMTP.
Add server host :mail.messagingengine.com
Port: 587
select SSL/TLS
Tap on Done. Now you are ready to use your Xsmail email account on your Thunderbird.