How do spammers know an email is active?

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I recently put my old Hotmail account on my phone, which I traditionally only checked a few times a year. I went from 1-2 spam emails every few months to several a day, after going through all the old ones and marking them as spam. How is this possible? I haven’t given this email out in years, and none of my monitoring services have flagged this email recently. It seems spammers somehow know this email is active again.

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17 Answers

Anonymous 0 Comments

I used to work as the systems administrator for a medium-sized ISP that had its own mail server.

They really, truly, don’t give a flying fuck if your email address is active, if anyone actually reads the email there, or if it’s a spam trap.

They just carpet bomb the whole world. Spam is literally the exact opposite of market research. They have no idea what their target audience is (except maybe gullible dupes – which is why so much of it seems so dumb that nobody could fall for it – believe me, there are plenty of people *that* dumb), and they don’t care either. When you hear statistics about how something like 95% of all email is spam, it’s because most of it is going to addresses that don’t even exist. That’s how we know for certain that’s spam.

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