Address Guard is a powerful feature of Yahoo Mail Plus. It protects your primary email addresses from spam by creating disposable email addresses. You can use the disposable email addresses when you don’t want to share your primary address with everyone.
You will start receiving spam messages automatically if you share your primary email address everywhere on the internet. To get rid of spam messages you can use disposable email address. Give your disposable address when you don’t want to give your primary email address.