Email Phish Protection by OnlyZ

🛡️ EMAIL PHISH PROTECTION - STAY SAFE FROM PHISHING ATTACKS

Protect yourself from email phishing, malicious links, and dangerous forms in Gmail with this powerful, privacy-focused security extension.

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✨ KEY FEATURES

🔒 Dual Protection Modes
• Popup Confirmation: Review every link destination before clicking
• Deny Mode: Automatically disable suspicious links and display URLs for manual inspection

⚠️ Visual Warning System
• Prominent warning banners on emails from non-trusted senders
• Instantly identify potentially dangerous emails at a glance
• Color-coded alerts for maximum visibility

✅ Smart Whitelist Management
• Add trusted domains (e.g., amazon.com, paypal.com)
• Whitelist specific email addresses from known contacts
• Import/export your trusted list for backup or sharing across devices
• Trusted links will be be marked green

🛡️ Advanced Threat Detection
• Scans hidden links in buttons and images
• Blocks form submissions to external websites
• Detects Shadow DOM elements used in sophisticated attacks
• Warns about Unicode homograph attacks (look-alike domains like gооgle.com)
• Protects against table-based phishing buttons (Amazon-style)

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🎯 HOW IT WORKS

1. Install the extension and click its icon
2. Choose your protection mode:
3. Popup: Confirm each link before opening
4. Deny: Disable all non-trusted links automatically
5. Optional: Enable warning banners for visual alerts
6. Add frequently-used domains to your trusted whitelist
7. Browse Gmail safely with real-time protection!

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🔐 PRIVACY & SECURITY GUARANTEED

✓ ZERO data collection - absolutely no tracking
✓ NO external servers - everything runs locally in your browser
✓ NO analytics, cookies, or user profiling
✓ NO AI
✓ Open source MIT licensed code
✓ Works completely offline
✓ Settings stored locally using Firefox's secure storage API

Your email content, browsing history, and trusted list never leave your device.

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💡 PERFECT FOR

• Anyone receiving suspicious or unexpected emails
• Business professionals handling confidential information
• Elderly users needing extra security layers
• Security-conscious individuals protecting against targeted attacks
• Organizations wanting to safeguard employees from phishing
• People who frequently shop online and receive tracking emails

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🚀 WHY CHOOSE EMAIL PHISH PROTECTION?

Unlike built-in browser protection that only catches known threats, Email Phish Protection gives YOU complete control. You decide which links are safe, which senders to trust, and how aggressive your security should be.

• Lightweight - doesn't slow down Gmail
• Fast - instant link scanning with no lag
• Customizable - adapts to your security needs
• User-friendly - simple interface for all skill levels
• Powerful - catches sophisticated phishing attempts

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🔧 TECHNICAL DETAILS

• Works exclusively on mail.google.com (Gmail for now)
• Requires Firefox 142 or later
• Uses only "storage" permission for saving your preferences
• No dependencies or external libraries
• Manifest V3 for future-proof compatibility

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📋 USAGE EXAMPLES

Example 1 - Popup Mode:
You receive a "password reset" email from what looks like PayPal. You click the link, and a dialog shows: "You are about to visit: http://paypa1.fake-site.com" - the "l" is actually a "1"! You realize it's fake and click Cancel.

Example 2 - Warning Banner:
An email from "support@microoft.com" arrives (notice the typo). A huge red warning banner appears: "CAUTION: NON-TRUSTED SENDER" - immediately alerting you before you even read the email.

Example 3 - Trusted Whitelist:
You add "amazon.com" to your trusted list. Now all legitimate Amazon tracking links work normally with a green checkmark, while suspicious lookalike domains are still blocked.

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🆘 SUPPORT & FEEDBACK

• Found a bug? Report it on our GitHub repository https://github.com/hzsolt21/EmailPhishProtector
• Feature request? Open an issue or discussion
• Need help? Check our documentation and FAQ

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⚖️ IMPORTANT DISCLAIMER

Email Phish Protection is an additional security layer designed to enhance your protection against phishing attacks. It should be used alongside other security best practices:

• Always verify sender email addresses
• Be cautious with unexpected attachments
• Keep your browser and operating system updated
• Use strong, unique passwords
• Enable two-factor authentication where available

LIMITATIONS OF LIABILITY:

The developers are not liable for:
• Any security breaches or phishing attacks that may occur while using this extension
• Email display issues, formatting problems, or broken layouts caused by link/button blocking
• Inability to access legitimate links that are incorrectly flagged
• Loss of access to time-sensitive emails or links
• Any direct, indirect, incidental, or consequential damages resulting from the use or inability to use this extension

This extension modifies email content to protect you. In rare cases, this may cause:
• Links or buttons to display incorrectly
• Email layouts to appear broken
• Legitimate emails to trigger warnings
• Trusted content to be blocked if not whitelisted

If an email appears broken or you cannot access important links, you can:
1. Add the sender or domain to your trusted list
2. Temporarily disable the extension
3. Copy the displayed URL and paste it into a new browser tab

This tool helps protect you, but staying vigilant is your best defense. Use this extension at your own risk.

Liability Disclaimer

Email Phish Protection modifies the appearance and functionality of emails in Gmail to enhance your security. While we strive to maintain compatibility, we cannot guarantee:

• Perfect display of all email formats
• Compatibility with all email layouts (especially complex HTML emails)
• Access to all legitimate links without whitelisting

You acknowledge that:
- Email formatting may be altered or broken
- Some emails may not display as originally intended
- Legitimate links may be blocked until added to your trusted list
- You use this extension at your own discretion and risk

The developers disclaim all liability for:
- Any inability to read, view, or interact with emails
- Display errors, formatting issues, or broken email layouts
- Missed opportunities due to blocked time-sensitive links
- Any other technical issues arising from content modification

If critical emails are not displaying properly, you can disable the extension temporarily or add the sender to your trusted list.

📜 LICENSE

Open source under MIT License. Free to use, modify, and distribute.

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🌟 IF YOU FIND THIS EXTENSION HELPFUL

Please leave a review and rating! Your feedback helps others discover this security tool and motivates us to keep improving it. Every review makes a difference.

Stay safe online! 🛡️