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Comment by Abundnce10 | Hacker News Reader

I just tried to signup with a Hotmail email address and I got this error message: This email cannot be used to create an account. It might be due to your email domain name.

I realize Hotmail isn't the sexiest email provider these days but it's one of the more commonly used. Do you have a list of email domains you allow?

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We accept hotmail. It might be because of some special characters. Do you use + ?

Nope. Just letters and numbers. Same with my password.

I tried with my Gmail address and it worked fine. That address has no numbers in it. I used the same password. If you aren't prohibiting Hotmail addresses then it must be the numbers in the email address that are triggering some validation.

Regardless, I have access now. Looking forward to trying your product!

Don't reveal your powerlevel in HN, dude. Now you've not only reduced the search space for your Hotmail password, yoy've clued an attacker in that that's also your Gmail password!

I use Pass [0] to generate unique/random passwords for each site I sign into, I don't use the same password for all sites. I was just describing what I used for this instance (only characters and numbers), not what I do every time. I appreciate your concern though!

[0] https://www.passwordstore.org/

Even if they did use '+', that should still definitely be allowed. I immediately get turned off when a service actively disallows a '+' because then I start to wonder why they don't want me to be able to filter their messages in my inbox.

It's the only sane and easy (but obviously not bullet-proof) way of catching spammers out.

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