How to Block Emails on Yahoo

Is your Yahoo inbox constantly bombarded by unwanted emails? This article is here to teach you how to block emails on Yahoo using Yahoo's built-in email filter and Clean Email, a powerful email organizer that can automatically block emails and do much more than that to keep your inbox clean and organized.

How to Block Emails on Yahoo

  1. Go to:
  2. Log in to your email account.
  3. Click on the Settings gear icon on the right.
  4. Select More Settings from the pop-up menu.
  5. Select More Settings to block emails on Yahoo
  6. Choose Security and privacy from the list of categories on the left.
  7. Click the Add button under the Blocked addresses section.
  8. Click Add button to block Yahoo email
  9. Type the email address you want to block and click the Save button.
  10. Block Yahoo emails

How to Block Emails on Yahoo Mobile

Unfortunately, the Yahoo Mail mobile app doesn't have a direct option to block senders. Instead, you can use the web version of Yahoo Mail from your preferred mobile web browser. Alternatively, you can mark messages as spam from your Yahoo mobile app to stop them from reaching your inbox.

Here is how to do this:

  1. Open the Yahoo Mail app on your mobile device and select the message you want to be blocked.
  2. Tap the three-dot More icon located in the top right corner of the screen.
  3. Click Mark as spam option.
  4. How to block emails on Yahoo mobile
  5. Messages from this sender will be automatically blocked and directed to the Spam folder.

How to Block Emails on Yahoo Using Clean Email

You can also block emails in Yahoo using Clean Email, an online bulk email organizer with powerful filters and rules to group your emails based on their type.

  1. Go to: and sign in with your email address.
  2. Allow Clean Email to access your inbox. Don't worry: Clean Email analyzes only metadata-not the actual content of your Yahoo emails.
  3. Give Clean Email a short while to analyze your emails. You will be presented with different email bundles, called Smart Folders. Choose any Smart Folder you want.
  4. Smart Folders feature in Clean EmailSmart Folders feature in Clean Email
  5. Select a sender and click Block under the Sender Settings in the top right corner of the screen.
  6. Block emails in Clean EmailBlock emails in Clean Email
  7. All new emails from this sender will be sent to the Trash folder now.

In addition to blocking individual Yahoo emails, Clean Email offers an Auto Clean feature that allows you to block entire domain names. This can save you time and effort, as many senders simply change the email address they use to spam you.

Block emails on Yahoo with Clean Email automaticallyBlock emails on Yahoo with Clean Email automatically

Moreover, you can not only block domains with Auto Clean, but also apply any other action to new emails coming to your mailbox without any manual work. You can, for example, automatically star work-related emails, move all social media notifications to a separate folder, or label emails that meet certain criteria accordingly.

The Auto Clean dashboard allows you to see all automation rules you have enabled in one place. You can simply click on any active automation rule and pause, disable, or delete it with ease.

Auto Clean rules in Clean Email to block Yahoo emailsAuto Clean rules in Clean Email to block Yahoo emails

Because Clean Email goes well beyond email blocking, it's far more effective at helping you keep your Yahoo emails organized than Yahoo's own blocking filters. In addition to Yahoo, Clean Email also works with all other secure email providers, including Gmail, Outlook, Fastmail, AOL, and iCloud.

Follow our guide on how to block someone on Gmail or how to block AOL emails.

How to Unblock Yahoo Emails

The users of Yahoo Mail can block up to 1,000 email addresses. If you've been using Yahoo Mail for a long time, the chances are that you have blocked at least one email address by accident without email realizing it. Most people realize this when they notice that emails from a certain sender are just not arriving no matter how many times the sender resends them.

Fortunately, the solution is very simple. Here is how to unblock emails on Yahoo:

  1. Go to:
  2. Log in to your email account.
  3. Click on the Settings gear icon on the right.
  4. Select More Settings from the pop-up menu.
  5. Choose Security and Privacy from the list of categories on the left.
  6. Mouse over an email address, then click the Delete icon.

Repeat the last step until to unblock more Yahoo emails.

Blocking Isn't Enough

You should never assume that blocking bad senders can make you 100% safe. While it definitely helps to block all senders whose emails you don't want to receive, spammers are skilled at finding ways into your inbox and convincing you to open their emails. To stay safe when using Yahoo Mail, follow these practices:

Benefits of Blocking Yahoo Emails and Using Automation Features

According to recent statistics, spam messages account for nearly 50 percent of email traffic worldwide. It's no wonder that so many people are curious to know how to block emails Yahoo since every other email is unwanted. The massive amount of spam emails that try to reach our inboxes every day costs businesses and individuals alike many hours in lost productivity, and some businesses have even decided to abandon email altogether in favor of team collaboration tools such as Slack and Microsoft Teams.

That's why it's important to be aware of the benefits of blocking unwanted emails in Yahoo and other email services and using smart filters to automatically organize new emails:


In this article, we've presented three ways how to block spam emails on Yahoo and explained why email management is such a big deal these days. If you send and receive emails every day, an email organizer such as Clean Email can help you reach new levels of productivity and accomplish more in less time. Why spend hours every week categorizing emails when you can use a secure online email inbox cleaner to automatically manage your Yahoo emails for you? Clean Email is verified by Google, Yahoo, and AOL as a trusted application, and you can start testing it right now for free.

Learn more about how to block an email on Android or about blocking emails on iPhone in our other posts. If you are a Mac user, check out our guide on how to block emails on Mac.

How to Block Emails on Yahoo — FAQs

Can you block someone on Yahoo Mail?

Yes, you can block someone on Yahoo Mail using the web version. To do this, go to the Security and privacy settings, then click Add under the Blocked addresses section. Enter the email address you want to block. This will send future emails from that sender to the Spam folder.

How do I block bulk emails on Yahoo?

Blocking bulk emails on Yahoo isn't easy, as you must manually enter each address in the Security and privacy settings. However, you can use an inbox organizer like Clean Email to stop getting messages from a certain domain or to block Yahoo emails in bulk.

Why am I still getting emails from blocked senders Yahoo?

Unfortunately, you can still receive emails from blocked senders if the “From:” email address was changed. To stop receiving messages from an email address, you must watch out for forged addresses and block them. Follow the steps below to do this:
1. To find the actual address for a forged email, open up the full header in a message to see if the sender information changed at all.
2. The actual address will be listed in the top “Mailfrom” or “Received” section. Compare this mail address to the address listed in the bottom “Mailfrom” or “Received” line. If the addresses are different, then the email address has been forged.
3. Block the address listed in the top “Mailfrom” or “Received” section.

Why can’t I block emails on Yahoo?

Sometimes it takes a little bit of troubleshooting in order to block emails on Yahoo. If you are struggling to block senders in your Yahoo inbox, try blocking the sender through Clean Email.

How do you block emails on Yahoo mobile?

In the Yahoo Mail mobile app, you can't directly block senders. Instead, mark unwanted emails as spam to filter them out. Alternatively, use the web version of Yahoo Mail on a mobile browser or computer to block senders by adding their email addresses to the Blocked addresses list.

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