Firefox Relay is a privacy service that helps protect your email address by creating unique email masks. These masks forward emails to your real inbox while keeping your actual email address private.
What are Email Masks?
Email masks are unique, randomly generated email addresses that forward messages to your real email inbox. They act as a privacy barrier between your actual email address and the websites you visit.
How Email Masks Work
- Create unique email addresses for each website
- Forward all emails to your real inbox
- Keep your actual email address private
- Allow you to block individual masks
- Maintain full email functionality
Benefits of Email Masks
- Protect against spam and unwanted emails
- Prevent email-based tracking
- Reduce risk of data breaches
- Maintain privacy across websites
- Easy to manage and control
How Firefox Relay Integration Works
When Firefox Relay is integrated with your browser, you can easily create email masks while filling out forms or signing up for services:
Automatic Detection
When you encounter an email field on a website, Firefox Relay may automatically detect it and offer to create an email mask.
One-Click Creation
Click the Firefox Relay icon or option to instantly generate a unique email mask for that specific website.
Seamless Forwarding
All emails sent to the mask are automatically forwarded to your real email address, keeping your inbox organized.
Managing Your Email Masks
Creating New Masks
- Use the Firefox Relay extension or integration
- Generate masks through the Firefox Relay dashboard
- Create masks on-demand when filling forms
- Set up automatic mask generation
Managing Existing Masks
- View all your masks in the Firefox Relay dashboard
- Block individual masks to stop receiving emails
- Delete masks you no longer need
- Monitor email activity for each mask
Privacy and Security Benefits
Enhanced Privacy
- Keep your real email address private
- Prevent email-based tracking
- Reduce personal information exposure
- Maintain anonymity when possible
- Control who has your contact information
Security Protection
- Reduce risk of email-based attacks
- Prevent spam and phishing attempts
- Isolate potential security threats
- Easy to block compromised masks
- Maintain email security
Best Practices for Email Masks
Strategic Usage
- Use unique masks for different types of services
- Create separate masks for important accounts
- Use masks for newsletters and marketing
- Keep your real email for trusted contacts
- Regularly review and clean up unused masks
Organization Tips
- Use descriptive labels for your masks
- Group masks by purpose or service type
- Monitor email activity regularly
- Block masks that receive too much spam
- Keep track of which mask is used where
What to Expect
When using Firefox Relay email masks, you may notice:
Positive Changes
- Reduced spam in your inbox
- Better privacy protection
- More control over your email
- Easier to identify data breaches
- Cleaner email organization
Considerations
- Some services may not accept masked emails
- Additional service to manage
- Potential forwarding delays
- Need to remember which mask is used where
- May require Firefox Relay account setup
Technical Details
Firefox Relay uses advanced email forwarding technology to protect your privacy:
How the Service Works
- Email Forwarding: Masks automatically forward emails to your real address
- Unique Generation: Each mask is randomly generated and unique
- Blocking Capability: You can block individual masks to stop receiving emails
- Dashboard Management: Centralized control over all your masks
- Privacy Focused: Designed to minimize data collection and tracking
Since Oasis is built on Firefox core technology, Firefox Relay integration may be available in your browser, providing seamless email privacy protection.
Need Help with Oasis Browser?
Join our Discord community to get support, ask questions, and connect with other Oasis users and the Kahana team.
Related Documentation
Multi-Account Containers: Complete Guide
Learn how to use Mozilla's Multi-Account Containers extension to separate your browsing experience into different color-coded tabs for better privacy and organization.
Default Protection
Learn how Oasis automatically decides when to use secure DNS to protect your privacy, including local provider preferences and fallback mechanisms for optimal privacy and performance.
Domain Name System (DNS) over HTTPS
Learn how DNS over HTTPS (DoH) encrypts your domain name requests, providing secure DNS resolution and protecting your browsing privacy from network surveillance.
About the Author

I'm the CTO of Kahana, bringing a unique perspective from my management consulting experience at Clarkston Consulting and biomedical engineering background from Duke University. I'm focused on making the future of work more ergonomic through innovative technology solutions that prioritize user well-being and productivity.