MailTrackerBlocker

Email tracker, read receipt and spy pixel blocker plugin for Apple Mail

CaskSecurity & PrivacyAuto-updatesApple silicon · Intel
From homebrew/cask
30-day installs1#3699 in App
1-year installs6Last 365 days
Latest version0.8.10yesterday · Oct 7
Download size339KBarm64 / x86_64 · pkg
Release cadenceIrregular0 releases in 30 days
System requirements
<= 13
Platform availability
  • macOS 13 · Intel · 0.8.10 <= 13
  • macOS 13 · Apple chip · 0.8.10 <= 13
  • macOS 12 · Intel · 0.8.10 <= 13
  • macOS 12 · Apple chip · 0.8.10 <= 13
  • macOS 11 · Intel · 0.8.10 <= 13
  • macOS 11 · Apple chip · 0.8.10 <= 13
View full declaration
{
  "maximum_macos": {
    "<=": [
      "13"
    ]
  }
}
Tap
homebrew/cask
Also known as
MailTrackerBlocker · mailtrackerblocker
Installer packages
MailTrackerBlocker.pkg
SHA-256
1ed068e689a3a64b…

Installation and removal contents

  • Uninstall uninstall

    View full declaration
    {
      "uninstall": [
        {
          "delete": "/Library/Mail/Bundles/MailTrackerBlocker.mailbundle",
          "pkgutil": "com.onefatgiraffe.mailtrackerblocker",
          "script": {
            "executable": "warn-if-mail-running.sh",
            "must_succeed": false
          }
        }
      ]
    }
  • Install generated_script

    Source file: warn-if-mail-running.sh

    View full declaration
    {
      "generated_script": [
        "warn-if-mail-running.sh",
        {
          "content": "#!/bin/sh\nif /bin/ps x | /usr/bin/grep -q 'Mail.app/Contents/MacOS/[M]ail'; then\n  echo 'Warning: Restart Mail.app to finish uninstalling mailtrackerblocker' >&2\nfi\n"
        }
      ]
    }
  • Install pkg

    Source file: MailTrackerBlocker.pkg

    View full declaration
    {
      "pkg": [
        "MailTrackerBlocker.pkg"
      ]
    }
  • Uninstall uninstall_postflight_steps

    View full declaration
    {
      "uninstall_postflight_steps": [
        {
          "steps": [
            {
              "paths": [
                {
                  "base": "staged_path",
                  "path": "warn-if-mail-running.sh"
                }
              ],
              "type": "remove"
            }
          ]
        }
      ]
    }
  • Remove user data zap

    View full declaration
    {
      "zap": [
        {
          "trash": "~/Library/Containers/com.apple.mail/Data/Library/Application Support/com.onefatgiraffe.mailtrackerblocker"
        }
      ]
    }

An open-source interface for Homebrew. Installs run through the macOS app or the brew command.

© 2026 OpenNavo