

Had the same problem, and it’s definitely not the first time I’ve encountered this issue. I have an inbox attached to a custom domain, and there have been multiple instances of platforms refusing registration, as they think it’s a temporary inbox, or just plain give you “this isnt gmail or alternative”.
If reducing fake accounts is the goal, this ain’t it
I can’t say that I am. Obviously Valve are a for-profit business, however they have put in a colossal amount of effort and money into growing the ecosystem we’re in today. Not to mention that replicating the SteamOS experience on a different distro isn’t particularly difficult. It’s really cool that they’re doing it, because a healthy market results in a solid win for the consumers