Blocking (and Unblocking) Senders in Gmail

In Gmail, you can block emails from a specific sender. After you block a sender, their future emails will go to Spam. You can unblock senders in Settings. 

Block sender is only one tool for annoying or bad-actor emails: Consider if unsubscribing or reporting spam or phishing is more appropriate.

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Instructors, Researchers, Staff, Students

Block a Sender

  1. On your computer, open Gmail
  2. Open the message from the sender you want to block
  3. At the top right of the message next to Reply, click More ⋮ and then Block “{sender}” 

    ⋮ > block "annoyingemail@gmail.com"

Unblock a Sender

  1. On your computer, open Gmail
  2. At the top right, click the Settings gear
  3. Click See all settings
  4. At the top, click Filters and Blocked Addresses
  5. Scroll down and blocked addresses (if any) appear at the bottom
  6. To unblock, you can
    1. Check the box next to each sender you want to unblock
    2. Click Unblock selected addresses.

When To Use Block Sender

Along with Block sender, there are other tools for dealing with nuisance or bad-actor emails, each with its own use-case:

  • Use Block sender when the emails are not malicious but you want them to go to spam for you. 
    Tip: If you get a lot of unwanted promotional email, unsubscribe instead.
  • Use Report spam when you want to move the email to spam and let Gmail know you sent it to spam (reporting spam helps “Gmail identif[y] similar emails as spam more efficiently”).
  • Use Report phishing when an email may be phishing or is suspicious.
This Content Last Updated:
08/14/2025

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This KB Article References:
This Information is Intended for:
Instructors, Researchers, Staff, Students
Estimated Read Time:
1 minutes
This Content Last Updated:
08/14/2025