If you regularly receive unwanted or spam emails from a particular sender, blocking that address can be an effective solution to clean up your inbox. Whether you're using the web version or the mobile app of Gmail, it's very easy to block a sender on Gmail in just a few clicks.
In this article, we will explain how to block a sender in Gmail and how to adjust your blocking settings if necessary.
How to block a sender on Gmail web version
If you use the web version of Gmail, here's how to block a sender:
Step 1: Open your Gmail account and navigate to the email of the sender you want to block.
Step 2: Click on the 3 vertical dots at the top right of the email to open the drop-down menu.
Step 3: Select “Block [sender name]” from the drop-down menu.

Step 4: Confirm your choice by clicking “Block” in the confirmation window that appears.

From this moment on, all emails from this sender will be automatically sent to the spam folder (“Junk Mail”).
If you want to unblock a sender on Gmail or change blocking settings, you can access the “Filters and blocked addresses” section of Gmail. To do this, click on the “Settings” icon (represented by a gear) at the top right of the Gmail page, then select “See all settings” from the drop-down menu. Then, click on the “Filters and blocked addresses” tab to access your blocking settings.

Locate the address you want to unblock and click on unblock. Confirm your choice in the window that will open.
How to block a sender on the Gmail mobile app
If you are using theGmail mobile app, here's how block a sender :
Step 1: Open the email from the sender you want to block.
Step 2: Tap the three horizontal dots at the top right of the email next to the sender's email address (not the 3 dots at the very top of the screen) to open the drop-down menu.
Step 3: Select “Block [sender name]” from the drop-down menu.

From this point on, all emails from this sender will automatically be sent to the “Spam” folder in your Gmail mobile app.
For unblock a sender on the mobile app, the system is a little less well designed than on the web version.
- Open the Gmail app on your smartphone.
- Tap an email from the sender you want to unblock.
- You should see a gray box at the top of the email. In this box, click the button Unblock the sender.

The contact will then be removed from the blocked addresses list and you will be able to receive emails from this address again.
If you ever have deleted all mails from the blocked sender, go to the web version of Gmail and follow the steps described at the end of the first part of this article.
There you have it, now you know how to block a sender on Gmail on the web version and the mobile app. Feel free to change your blocking settings if you want to unblock a sender or adjust the spam filtering settings for your Gmail account.
Frequently asked Questions :
What happens if I blocked a sender by mistake?
If you have blocked a sender by mistake or want to unblock a sender on Gmail, you can easily do so by going to the “Filters and blocked addresses” section of Gmail. You can access this section by clicking on the “Settings” icon at the top right of the Gmail page and then selecting “See all settings” from the drop-down menu. Then, click on the “Filters and blocked addresses” tab to access your blocking settings and find the blocked address you want to unblock.
If I blocked a sender on the web version of Gmail, will they also be blocked on the mobile app?
Yes, if you block a sender on the web version of Gmail, they will also be blocked on the mobile app. Blocking settings are synced between different versions of Gmail.
Does blocking a sender in Gmail mean all their emails will be permanently deleted?
No, blocking a sender in Gmail does not automatically delete all of their emails. However, all emails from that sender will automatically be sent to the spam folder, where they will be stored for 30 days before being permanently deleted.
Article updated on September 15, 2025 by Byothe











