Gmail Shield

Gmail Shield enhances your Gmail experience by displaying the sender's company and its icon directly below their name.

Features

• Company and Icon Display: Instantly view the sender's company and its icon beneath their name for quick identification.
• Highlight Untrusted Companies (optional): Marks emails in red if the sender's company is not in your allowed list.
• Cloud Sync with GitHub Gist (optional): Keep your trusted companies list synchronized across all your devices.

Advanced Management

• Quick Company Actions: Click the displayed company to:
  • Add it to your personal list (for the current account).
  • Add it to the global list (shared across all your accounts).
  • Remove it from trusted lists.

Custom Configuration

• Options:
  • addIcon: Enable/disable the company icon display.
  • addDomain: Enable/disable the company name display.
  • allowedDomains: Define your trusted companies to control highlighting.

GitHub Gist Sync Setup (Optional)

Quick Start

1. Get GitHub Token: Go to https://github.com/settings/tokens → Generate new token (classic) → Select gist scope → Copy
2. Create Gist: Visit https://gist.github.com → Click Create secret gist → Copy the Gist ID from the URL

3. Configure:

   • Open Tampermonkey (browser icon)
   • Click Gmail Shield → Edit
   • Go to Storage tab (maybe you need to set the advanced mode in the settings)
   • Fill the values:
     • gms_token → Your GitHub token
     • gms_gistId → Your Gist ID
   • Save

4. Done! Your list syncs automatically every 5 minutes.

How It Works

• Changes sync automatically when you click companies
• Downloads updates from Gist every 5 minutes
• Works across all devices that have the credentials configured

Why Use Gmail Shield?

• Quickly identify senders without opening emails.
• Simplify email management with company-based organization.
• Keep untrusted emails visually marked for safety.
• Sync your trusted list across devices securely.