The problem they're solving is that a lot of people just enter their email wrong and then wonder why they didn't get the signup email.
> Like if someone tries to register an already registered email, send an email about it don't leak that it's registered.
This is something that's cargo-culted far too often. Maybe for some services it's worth keeping secret which emails are signed up, but for most it isn't.
I'd prefer to just have it. Seems decently important for me privacy wise. I as a customer don't want others to be able to test whether I have signed up somewhere and also it is much better security wise and not leaking business data.
And most times, it is standard practice to hide sign ups, luckily.
> <orange>“This doesn’t look like a correct email address that our clients usually use. Please re-check it again and proceed if you’re sure.”</>
And what proportion - especially what proportion of people who make mistakes when entering their email address - do you think will pay any attention to that?
The problem they're solving is that a lot of people just enter their email wrong and then wonder why they didn't get the signup email.
> Like if someone tries to register an already registered email, send an email about it don't leak that it's registered.
This is something that's cargo-culted far too often. Maybe for some services it's worth keeping secret which emails are signed up, but for most it isn't.