Step Wise Manual Viva mail settings for thunderbird
If you don't have a Viva mail address. you can create an email id from here then you can Viva 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, Viva Email address and Password then press Continue.
Click on the Manual config menu at bottom.
Enter Below Viva incoming server settings.
In incoming click on the dropdown menu and select POP.
Add server host :mail.viva.com.kw
Port: 995
select SSL/TLS
Enter Below Viva outgoing server settings.
In outgoing select SMTP.
Add server host :mail.viva.com.kw
Port: 25
select SSL/TLS
Tap on Done. Now you are ready to use your Viva email account on your Thunderbird.