Use your real Gmail strictly for banking, government services, and close personal contacts.
This is the only official "trick" that uses your real Gmail account. It does not create a temp email, but it allows you to filter and kill spam automatically. gmail temp mail
Using Gmail temp mail is straightforward. Here are some examples: Use your real Gmail strictly for banking, government
Your real Gmail remains clean, and the marketing site cannot track you or sell your data. gmail temp mail
By utilizing these methods, you can keep your primary gmail.com address clean and secure.