General user could NOT change the second verification method by themselves.
General user ask the Portal Admin to change the second verification method if they need.
[1] Select the “User List” menu
Select the “User List” menu in the “Configuration” menu on the bottom of the management menu in right hand side.
[2]Select the target user
Click the username that change the authentication method in the userlist .
[3]Display the user detail page
Click the [Edit] button at the bottom of user detail page.
[4] Change the authentication method
Select the radio button of [MailOTP] in the second verification at the middle of the page.
And click the [Save] button at the bottom of the page.
The change to MailOTP authentication is complete.The user can login with MailOTP authentication.