Open your favorite web browser, then visit the official website of Suddenlink email.
After that, Visit the page of Username Recovery.
Choose the options of Use Email.
Enter your contact email address that you have set up during the registration.
Choose the options of “I am not a robot” option to verify that you are not Robot.
Enter the button of next.
Read more here:- https://assistsuite.com/suddenlink-net-email-login/