1. From Setup, enter My Domain in the Quick Find box, then select My Domain.
2. Under My Domain Settings, select Edit.
3. To turn off authentication for users who do not use your domain-specific login page, select the login policy. This option enhances security by preventing login attempts by anyone who doesn’t know your domain name.
4. Choose a redirect policy based on the level of security that you want. You have these 3 options, in order of increasing security.Redirect users to the same page within the domain.Redirect users with a warning.Prevent redirecting by having users enter the new domain name.
5. Redirect users to the same page within the domain.
6. Redirect users with a warning.
7. Prevent redirecting by having users enter the new domain name.