Yahoo mail is an Email Service Provider; you can send and receive emails from your friends, family, and colleagues. Sometime you will get some unwanted email from unknown email addresses if you don’t want to see unwanted emails in your mail account; Yahoo provides a way to block them easily. You can mark all unwanted email in the spam folder. All spam mail will be deleted automatically if you move them into the spam folder. You have two choices, you can block a particular email address & you can mark and delete spam email from your Yahoo email account.
Note: Block emails address from this method as much as you want.
Now the second choice is you can delete & mark spam email from your Yahoo mail. You can do this on both – website version of Yahoo and mobile app version of Yahoo.
Note: You can block email address only on the website version of Yahoo.
Above these methods will help you to prevent unwanted email from your inbox.