How To Delete An Email Account On iPhone

You can remove an email account from the Mail app and from all the apps that use it on your iPhone.

1. Go to Settings  > Apps > Mail.

2. Tap Mail Accounts, tap the email account you want to remove from your iPhone, then tap Sign Out or Delete Account.

   Note: If you change your mind later, you can add the email account back to your iPhone. See Add an email account.