Email, Messaging, & Video Calls Email How to Block Unwanted Emails From Senders in Yahoo Mail Stop getting those annoying messages in your Yahoo Mail inbox By Heinz Tschabitscher Writer A former freelance contributor who has reviewed hundreds of email programs and services since 1997. our editorial process Heinz Tschabitscher Updated February 26, 2020 Email Yahoo! Mail Gmail Tweet Share Email Getting emails from a specific sender that you'd rather not see? When you know how to block unwanted emails in Yahoo Mail, you can automatically delete incoming messages from up to 500 email addresses. Lifewire / Bailey Mariner Instructions in this article apply to the web versions of Yahoo Mail. All steps should be the same regardless of your web browser. Block Email from Unwanted Senders in Yahoo Mail Yahoo Mail lets you block emails from unwanted senders. When you block someone, emails they send you never make it to your inbox. Yahoo Mail does not notify senders that you have blocked them. Go to Yahoo Mail in a web browser, log in to your account, and select the Settings gear icon in the upper-right corner of the window. Lifewire Select More Settings at the bottom of the Settings pane. Lifewire Select the Security and Privacy category in the left pane, and then select Add next to Blocked Addresses. Any email addresses you block appear in the Blocked Addresses section. Lifewire In the Add an email address to block section, go to the Address text box and type the unwanted email address. Lifewire Select Save. To unblock a sender, go to Settings > More Settings > Security and Privacy and select the Trash icon next to the email address you wish to unblock. Block Email from Unwanted Senders in Yahoo Mail Basic To add an email address to the list of blocked senders in Yahoo Mail Basic: Select the drop-down arrow next to your account name. Lifewire Choose Options from the drop-down list and then select Go. Lifewire Select Blocked Addresses in the left pane. Lifewire In the Add an address text box, enter the email address you want to block. Select the plus sign (+) to add the address to your blocked list. Lifewire Blocking Unwanted Senders Is Not Blocking Junk Emails Blocking email addresses isn't an effective strategy to prevent spam since spammers often use a new address (or domain name) for every junk email they send. Yahoo Mail has a built-in spam blocker that you can customize. Can You Block Senders From the Yahoo Mail App? You can only block unwanted email addresses in the web versions of Yahoo Mail. Try opening the desktop version in your phone's browser, or use a computer instead. To monitor messages from specific email addresses rather than blocking them, set up a filter in your Yahoo Mail account to automatically send messages from a particular sender to another folder.