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