Block Sender for Gmail

Block annoying emails in Gmail. Say goodbye to unwanted newsletters, individuals, and other uninvited email senders.
What is Block Sender for Gmail?
Block Sender for Gmail is an easy-to-use Firefox Add-on that enables you to block annoying emails in Gmail. With one click, you can permanently block any email address, domain, subject line, or keyword. It also allows you to send a fake error message to the sender's inbox. Say goodbye to unwanted newsletters, individuals, and other uninvited email senders with Block Sender for Gmail.

Add-on stats

Users: 307 ▼ -1
Rating: 3.00 (8)
Version: 4.5.1 (Last updated: 2020-12-22)
Creation date: 2014-06-02
Weekly download count: NaN
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
Permissions:
  • *://*.blocksender.io/*
  • https://mail.google.com/*
  • tabs
  • storage
  • webRequest
  • webRequestBlocking
  • notifications
  • alarms
Size: 2.58M

Other platforms

Block Sender (v5.0.4)
3.66 (1,042) 20,000
Not available on Edge
Want to check extension ranking and stats more quickly for other Firefox add-ons? Install Chrome-Stats extension to view Chrome-Stats data as you browse the Firefox Browser Add-ons.

Add-on summary

"Makes this process very easy and will prevent you from getting inundated with pointless emails" - Business Insider

"Pure simple, it's genius!" - Karl H.

"A nice power-up for Gmail." - Takemura Y.

Do you get annoying email?

With Block Sender for Gmail, you can block any email permanently in one click and send a fake Error message. No more complicated filters to setup in Gmail. Works for email addresses, domains, subject lines and even keywords. Block anyone.

POPULAR USES:

  • Block someone from harassing you with unwanted email. Send them a fake "This email address is incorrect" error message.

  • Block any newsletter you didn't subscribe for and never see it again.

See more

User reviews

View all user reviews

Add-on safety

Risk impact

Block Sender for Gmail requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk likelihood

Block Sender for Gmail has earned a fairly good reputation and likely can be trusted.

Upgrade to see risk analysis details