mailtrackerblocker ☆
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Description:
Email tracker, read receipt and spy pixel blocker plugin for Apple Mail
Type: Cask  |  Latest Version: 0.8.10@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @apparition47  |  formulae.brew.sh
Category: Security
Tags: email privacy security apple-mail tracker-blocking
Install: brew install --cask mailtrackerblocker
About:
MailTrackerBlocker is a plugin for Apple Mail that automatically strips invisible tracking pixels and read receipts from incoming emails. It provides detailed reports on which trackers were blocked and from whom, giving users control over their email privacy. The tool works locally without sending data to external servers, ensuring complete privacy.
Key Features:
  • Blocks invisible email tracking pixels and read receipts
  • Provides detailed reports on blocked trackers and sender information
  • Works locally with no data sent to external servers
  • Supports Apple Mail on macOS 11.0 and later
  • Lightweight plugin with minimal performance impact
Use Cases:
  • Protecting email privacy by preventing senders from knowing when you open their messages
  • Identifying companies and services that attempt to track your email activity
  • Blocking marketing tracking pixels without affecting legitimate email functionality
Alternatives:
  • PixelBlock – Browser extension only, doesn't work with Apple Mail
  • Ugly Email – Browser-based tracker blocking, not native to Apple Mail
  • Hey Email – Full email service replacement, not a plugin for existing Mail app
Version History
Detected Version Rev Change Commit
Feb 11, 2026 12:26pm 0.8.10 0 VERSION_BUMP f553a478
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