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Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Privacy and security

Masking

Mask your email and phone number to better protect your privacy.

In English

Activate Firefox Relay - Mask your email address

How do I report an issue with Firefox Relay?

Use labels to keep your masks organized in Firefox Relay

Install the Firefox Relay extension on Firefox for desktop

Create an email mask through Firefox Relay

Firefox Relay - Email and Phone masks

Mask your phone number with Relay Phone Masking

How to automatically label your new email masks

General questions about Relay email domains

Quickly access previously generated masks

Relay Phone Masking - How long can I talk when I get a call?

How do I block phone calls or texts to my Relay Phone mask?

Relay Phone Masking FAQ

Fix phone masking issues and protect voicemail privacy in Relay

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