The following applies to setting up Mozilla Thunderbird to enable you to send and receive emails from the email account you have hosted with 123-reg.co.uk.
If this is the first time you have accessed Mozilla Thunderbird, it will automatically start the Mail Account Wizard. Enter your name, email address and password then click Continue.
Tip: If this does not happen then click on the Tools menu, then click the Account Settings option and click the Account actions option and then click on Add Mail Account.
If you receive the message Thunderbird failed to find the settings for your email account Select POP3 from the Incoming drop down box and input the Incoming and Outgoing server details manually.
The Incoming server setting is pop.123-reg.co.uk
The Outgoing server setting is smtp.123-reg.co.uk
Make sure to input your full email address into the Username field
After manually inputting the server settings click the Re-test button.
This will auto fill the Port, SSL and Authentication fields.
Click Done to finish adding your 123-reg email account to Thunderbird.