This guide was written for Mozilla Thunderbird 1.5 and 2.0. The screens shown are from the Windows version of Thunderbird. However, the same steps apply for the OS X and Linux platforms.
Step 1:
Open Thunderbird. Go to the "File" menu and hover over "New", then from the flyout menu that appears choose "Accounts..."

Step 2:
The New Account Setup wizard appears. Make certain that the first item is selected: "Email Account". Then click on the "Next >" button.

Step 3:
The "Identity" pane appears.
- In the first text field, enter your name as you would like it to appear in the "From" line of your outgoing messages.
- In the second text field, enter your email address.
- Then click on the "Next >" button.

Step 4:
The "Server Information" pane appears.
- Make certain that the incoming server type is set to "POP3", not "IMAP".
- In the "Incoming Server" box, enter the address of the Sage incoming mail server: "webmail.sageinternet.com". Do not include the quotes.
- In the "Outgoing Server" box, enter the address of the Sage outgoing mail server: "sendmail.sageinternet.com". Again, do not include the quotes.
- Uncheck the "Use Global Inbox" only if you are certain you want the incoming mail for this account to be stored separately from your general inbox. If you are unsure, leave it checked.
- Then click on the "Next >" button.

Step 5:
The "User Names" pane appears.
- Enter your full email address into both the "Incoming User Name" and "Outgoing User Name" boxes. You must enter your full email address or you will be unable to send or receive mail.
- Then click on the "Next >" button.

Step 6:
The "Account Name" pane appears.
- Enter a descriptive name by which you can identify this account, in the event that you later add additional accounts. Thunderbird automatically supplies your email address as an account name, but Sage recommends that you create an account name that contains both your name and a description of the email account's purpose. Examples: "David - Personal", "Janice - Sales Inquires" or "Nick - Fan Mail"
- Then click on the "Next >" button.

Step 7:
The "Congratulations!" pane appears.
- Verify that the information displayed is correct. If you see any typos or mistakes, click the "< Back" button to return to the appropriate pane.
- Leave the "Download messages now" checkbox checked if you want Thunderbird to check your mail immediately after completing the setup process.
- Click on the "Finish" button to complete the setup of your Sage email account in Thunderbird.
- The first time you check your mail with a new account, Thunderbird will ask you for your password. Enter your password and click on the "OK" button to proceed. If you would like Thunderbird to remember your password, put a check in the "Use Password Manager to remember this password" box.
