Step Wise Manual Attworld mail settings for thunderbird
If you don't have a Attworld mail address. you can create an email id from here then you can Attworld 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, Attworld Email address and Password then press Continue.
Click on the Manual config menu at bottom.
Enter Below Attworld incoming server settings.
In incoming click on the dropdown menu and select IMAP.
Add server host :imap.mail.yahoo.com
Port: 993
select SSL/TLS
Enter Below Attworld outgoing server settings.
In outgoing select SMTP.
Add server host :smtp.mail.yahoo.com
Port: 465
select SSL/TLS
Tap on Done. Now you are ready to use your Attworld email account on your Thunderbird.