To download Thunderbird, go to http://www.mozillamessaging.com . To install Thunderbird for Windows, simply click on the “Download Thunderbird Icon”. If you are using Mac or another operating system, or you want to install Thunderbird in a different language, click on the link below icon, “Other Systems & Languages” . After you’ve finished downloading and installing Thunderbird, you’ll be prompted to setup a new account to get started. For the account type, select Email Account and then click the Next button.
On the Identity screen, enter your first and last name the way you want it to appear for recipients of your email. Next enter your Red Circle email address.
On the Server Information screen, choose POP for server type and then enter your incoming and outgoing mail server names as shown below:
Your Incoming and Outgoing user names are your full Red Circle email address.
Enter the name you’d like your email account to be called in Thunderbird. Usually you’ll just use your Red Circle email address.
Enter your email account password provided to you by Red Circle and hit OK.
Once Thunderbird starts up, In the main menu at the top of your screen, click on Tools —–> Account Settings. Once the Account Settings dialog box pops up, click on Outgoing Server (SMTP) in the left menu. Next select your email address and click on the Edit button. A new window will appear prompting you for settings. Change the port number from the default of 25 to 80. Click OK.
Now choose Server Settings from the left menu. Make sure the settings below match your settings. Once they are the same, click OK.
Click on the “Get Mail” icon in top left corner of the main menu and if you are able to send and receive emails, you should now be set up and ready to begin using Thunderbird with your Red Circle email account.