New Firefox Add-onGeneratesTemporary Email ID'S For Online Forms and Websites. By Techtonic group. Mozilla has announced a new privacy-oriented service called Private Relay that will generate unique email IDs to help users sign-in to various sites and services without divulging their real email address. Available as an add-on for Firefox , the new service will help users avoid tracking by advertisers and spam operators by relaying all incoming emails to the user's real email ID so as to ensure that they do not miss out on any important message. The service entered testing last month and is currently in an 'experimental, invite-only alpha' phase, but according to ZDNet, a public beta is scheduled for later this year. On its official add-on repository, Mozilla said that its new tool will be a 1-click solution for users wanting to end online trackin...