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Manually Set Up E-mail with Mozilla Thunderbird for PC Using POP3

Learn how to configure Mozilla Thunderbird for use with your 1&1 Mail Basic account using the IMAP Protocol.

Please note:
1&1 suggests the use of IMAP instead of POP3.
Step 1
Launch Mozilla Thunderbird. If it is your first time launching Mozilla Thunderbird, the Mail Account Setup Wizard should appear and you may skip to step 4. Otherwise continue with the next step.
Step 2
From the Mozilla Thunderbird window, select Tools Account Settings. Mozilla Thunderbird Tools options
Mozilla Thunderbird Tools options
Step 3
At the bottom-left, select Account Actions and then Add Mail Account. Account Settings
Account Settings
Step 4
Enter Your name, your full Email address and your 1&1 Mail Basic address Password. Check the box for Remember password if you do not wish to enter your password every time when checking or sending E-mail. Then, click the Continue. Mail Account Setup
Mail Account Setup
Step 5
Suggested settings may be provided for you. Be sure to select POP3 to view the suggested POP settings. In this example, the suggested settings are incorrect so we will click the Manual Setup button to enter the correct information. Mail Account further details
Mail Account further details
Step 6
Enter pop.1and1.co.uk as the Incoming Server hostname and select 995 as the Incoming Port Number. Select SSL/TLS from the SSL drop-down menu and select Normal password from the Authentication drop-down menu. (A)

Enter auth.smtp.1and1.co.uk as the Outgoing Server hostname and choose 587 as the Outgoing Port Number. Select STARTTLS from the SSL drop-down menu and select Normal password from the Authentication drop-down menu. (B)

Enter your full 1&1 E-mail address as the User Name. (C)

When you are finished, click Done. Altered Configuration
Altered Configuration
Step 7
Click OK to save your settings. Account Settings overview
Account Settings overview
Step 8
You will see your newly-added account under Local Folders. Local Folders
Local Folders