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Strollin' around
Status: New idea

Sorry if this is a duplicate. I tried to find this suggestion, since it felt pretty obvious to me but I only found this comment that mentioned it.


I'd like to see support for fully custom domains in Relay, instead of only being able to register a subdomain in

  • Custom domains might make it harder for sites to detect masks (although they could probably figure it out with a DNS lookup but that's much more expensive than a simple text filter).
  • Having relays under a custom domain makes it easier to migrate between different providers.
    It would make it easier to migrate away from Relay, but the same would apply to users that may wish to migrate to Relay from other providers that offer this feature (or a basic catch-all setup).
    This also includes the potential (if far-fetched) possibility of Mozilla shutting down Relay. Without custom domains, recovering access to masked address would be impossible.
Status changed to: New idea
Community Manager
Community Manager

Thanks for submitting an idea to the Mozilla Connect community! Your idea is now open to votes (aka kudos) and comments.


Thanks so much @qlcvea for providing the suggestion and all the benefits of doing this! This is in our backlog and a feature we have heard interest in from multiple people. We don't have any updates right now, but will share out when we do.

New member

I think that this is a crucial feature to get external customers that are currently using Simplelogin or Addy (like me) for the sole purpose that they do support custom domain names. It is really reassuring, as if anything goes wrong with Mozilla's services, I know that there will be a way to still receive the emails since the domain belongs to us.