how do i delete a mail account from mac?

How To Delete Or Remove Email Account In Apple Mac Mail | Quick & Easy

To remove an existing account in Mail:
In Mail, from the Mail menu, select Preferences….
Click Accounts, and then highlight the account you want to delete.
Click – (the minus sign).
When prompted, click Remove or OK, and then close the Mail preferences window.

How to Add-Remove Email Accounts from Apple Mail