[Android] How to remove Google (Gmail) account from device

How to remove a Google (Gmail) account from an Android device via the Settings app.

[Google Apps] How to disable Gmail spam filter settings

The three types of spam filters in Google Apps Gmail and how to disable each of them.

WP Mail SMTP Authentication Gmail Password Uses Google App Password

Generating a Google App Password so WP Mail SMTP can authenticate against a 2FA-protected Gmail account.