If you want to change the password of your email account, you can do this through the following steps:
Log into your cPanel account.
In the Email, section, click on the Email Accounts Icon.
Scroll down to the Account @ Domain section, and you should see your email account listed there.
If your email address is server@example.com, you should see a Manage option on the right side of your email address. Click on Manage.
In the New Password field, enter your new password or use a password generator.
Congratulations, your email password has been successfully changed, and now you can access your email using your new password!