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New top story on Hacker News: Ask HN: Is this a privacy/security issue with Gmail?

Ask HN: Is this a privacy/security issue with Gmail?
9 by thegabez | 1 comments on Hacker News.
I've been using gmail for a long time and have just noticed something that is a bit concerning from a privacy/security standpoint. When you compose an email to a valid gmail account, it will provide you with additional details of the account, if the user provides it, even if you have never corresponded previously via email. This works for emails with @gmail and also @somebusiness. For example, go to gmail and compose an email to foobar@gmail.com, then hover over the address in the To: field. You now know this is a valid email, who it belongs to, and a fairly decent amount if information about that person.

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