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E-mail Software Setup Credentials

The following is the technical information required to set up 1&1 e-mail with an e-mail client such as Outlook, Thunderbird, etc. 1&1 suggests the use of IMAP over POP3. For more information, review our Explanation of IMAP E-mail Accounts.

Required Information IMAP POP3
User name Your full e-mail address
ex. account@1and1help.com
Your full e-mail address
ex. account@1and1help.com
Incoming Server imap.1and1.com pop.1and1.com
Incoming port with SSL enabled 993 995
Outgoing (SMTP) Server smtp.1and1.com smtp.1and1.com
Outgoing port with TLS enabled 587 587
Outgoing server requires authentication? Yes Yes