Step Wise Manual Citlink mail settings for thunderbird
If you don't have a Citlink mail address. you can create an email id from here then you can Citlink 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, Citlink Email address and Password then press Continue.
Click on the Manual config menu at bottom.
Enter Below Citlink incoming server settings.
In incoming click on the dropdown menu and select POP.
Add server host :pop3.frontier.com
Port: 995
select SSL/TLS
Enter Below Citlink outgoing server settings.
In outgoing select SMTP.
Add server host :smtp.frontier.com
Port: 465
select SSL/TLS
Tap on Done. Now you are ready to use your Citlink email account on your Thunderbird.