A GitHub user going by the alias worldofgeese said the GitHub repo “looks like it’s used, or can potentially be used, as a weapon by providers trying to rob users of one of the few defenses they have to their email address leaking, a scarily common occurrence, which are then weaponized by bad actors to flood those users' inboxes with spam.”

'My reasoning on including this is that an email with a mozmail domain is never going to be a primary email and is always going to forward to some other address,' the co-maintainer, Dustin Ingram, explained.īut some people weren’t buying it. Unlike burner emails, these aliases do not disappear unless deleted by the user, and are perceived by the users as “purely a privacy tool”. Besides the five free aliases, users are also allowed to get up to 150kb attachments. Turning anti-abuse measures into weaponsįirefox Relay works by sending and forwarding email messages from the alias address to the primary email address. According to Mozilla, Relay’s goal is to preserve the privacy of its users’ email addresses, and comes as both a free service, and a paid Premium service. Relay is Firefox’s email privacy service, giving users free email aliases to use whenever they want to sign up for an online account anywhere.

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