- smtp.1and1.com is your Outgoing server name.
- 587 is Secure Outgoing Port
- 465 OR 25 is insecure Outgoing port number.
- SSL/TLS or STARTTLS is used for connection security.
- Authentication Required: Yes
- 1and1Webmail Username: Your 1and1account username
- 1and1Webmail Password: Your 1and1account Password
Read more here:- https://www.datarecovo.com/ionos-1and1-email-login/
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