Please follow below steps to change Email Account password via cPanel
Step-1: Login to your cPanel account and Click on “Email Accounts” under the EMAIL section.
Step-2: Scroll down to the “Account @Domain” section and select the email account you want to reset the password.
Step-3: In this post, we are resetting the password of “email@example.com”, Click on Manage button to enter into email manage section. Now under security section enter a new password and scroll down until you see Update “Email Settings button”, you may use password generator too.
Your email password has been successfully changed and now you can access your email using your new password!