Once you’ve installed Relay, you’ll see an option to create a mask on email fields and web forms. You can generate up to five email masks.

Auto-fill forms with a mask

The Relay icon will appear in the email field when you visit an online form. Click it to generate an email mask or to see a list of recently used masks.

If the Relay icon doesn't show up, right-click on the email field and select Generate New mask.

Create and block promotional emails from a new generated mask

If you are creating a new mask with Relay Premium and want to block promotional emails from the get go, follow these steps:

1. Sign in to relay.firefox.com

   

2. Click the Generate new mask button.

   

3. Enter desired mask name text, then click the Generate mask button.

   

4. Click the Start blocking promotional emails checkbox.

   

Create and copy masks via the Relay extension

1. Access the Relay extension by clicking the Relay icon on the add-ons tray.

   

2. Select Generate random mask.

   

3. Click the copy icon () by the mask you just created to copy it to the clipboard.

   

4. Paste the mask into the email field of a website.

   

Create and copy masks via the Relay dashboard

1. Access the Relay dashboard at https://relay.firefox.com, or by clicking the Relay icon in the add-ons tray.
2. Select the Generate new mask option.

   

3. Click the copy icon () by the mask you just created to copy it to the clipboard.

   

4. Paste the mask into the email field of a website.

   

All set! Check Quickly access previously generated masks for next steps.

Troubleshooting mask limits

Sometimes, creating several masks quickly can temporarily trigger an error noting you've exceeded the limit. If you see this error, try again later but create the masks at a slower pace. This should avoid triggering a limit.

Related content

• Mask your phone number with Relay Phone Masking
• Firefox Relay - Email and Phone masks
• Quickly access previously generated masks