1and1 webmail outgoing mail server

The outgoing mail server for 1&1 Webmail is:

• Server: mail.1and1.com
• Port: 587 (TLS) or 25 (unencrypted)
• Username: Your 1&1 email address
• Password: Your 1&1 email password

Note: You may need to use the following settings for some email clients:

• Server: mail.1and1.com
• Port: 25 (unencrypted) or 587 (TLS)
• Authentication: Yes
• Username: Your 1&1 email address
• Password: Your 1&1 email password
• Encryption: TLS (if using port 587)

Please note that 1&1 recommends using the TLS encryption (port 587) for outgoing mail to ensure secure transmission of your emails.

If you're having trouble setting up your email client, you can refer to 1&1's official documentation or contact their support team for assistance.