You can easily change your email account with 3 steps below :
Step 1 : Login to admin account.
Link : https://global.zshield.cloud/admin/users/login
Step 2 : Go to Emails .
Step 3 : In Action , click to icon reset password.
Step 4 : Type your new password. confirm it again and click "Reset"
Done ! Now you can login to your email with new password.