1and1 outgoing mail server uk

According to 1&1's official documentation, the outgoing mail server settings for 1&1 UK are as follows:

SMTP Server: mail.1and1.co.uk

Port: 587

Username: Your 1&1 email address (e.g., [yourname]@1and1.co.uk)

Password: Your 1&1 email password

Authentication: TLS (Transport Layer Security) or SSL (Secure Sockets Layer)

Please note that you may need to enable TLS or SSL encryption in your email client or application to connect to the outgoing mail server.

Additionally, you can also use the following settings:

Alternate SMTP Server: smtp.1and1.co.uk

Port: 25

Username: Your 1&1 email address (e.g., [yourname]@1and1.co.uk)

Password: Your 1&1 email password

Authentication: TLS (Transport Layer Security) or SSL (Secure Sockets Layer)

Please keep in mind that using the alternate SMTP server (smtp.1and1.co.uk) may require additional configuration and may not be compatible with all email clients or applications.

If you're having trouble setting up your email client or application to use the 1&1 outgoing mail server, you may want to consult the documentation for your specific email client or application, or contact 1&1's customer support for further assistance.