With { -brand-name-firefox-relay-premium }, you get unlimited custom email masks that forward only the emails you want to your true email address.
Gyda { -brand-name-firefox-relay-premium }, byddwch yn cael arallenwau e-bost personol diderfyn sy'n anfon dim ond y negeseuon e-bost rydych chi eu heisiau ymlaen i'ch gwir gyfeiriad e-bost.