email security

security

Make Your Email Hacker Proof

It's only a matter of time until your email gets hacked. Don't believe me? Just read this harrowing cautionary tale. When [my wife] came back to her desk, half an hour later, she couldn’t log into Gmail at all. By that time, I was up

By Jeff Atwood ·
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email security

Spam via SMTP Non-Delivery Reports

I have modest email needs, so I use the default SMTP and POP3 services in Windows Server 2003. Although I have email relay disabled, spammers are still managing to send spam through my SMTP service – via non-delivery reports! In other words, spammers are intentionally sending email messages to nonexistent email

By Jeff Atwood ·
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scam

The Nigerian Spammer Anthem

A recent Los Angeles Times article reveals that the 419 scam spammers have their very own anthem: a song titled I Go Chop Your Dollars by Nigerian recording artist Osofia: “419 is just a game, you are the losers, we are the winners. White people are greedy, I can say

By Jeff Atwood ·
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security

The Dancing Bunnies Problem

In an era of instant online worldwide connectivity, protecting users from themselves is a lot harder than it used to be. For one thing, full trust can’t be trusted. And then there are all those dancing bunnies to contend with: What’s the dancing bunnies problem? It’s a

By Jeff Atwood ·
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email security

Bayesian Kryptonite – spoofed email

I use POPFile Bayesian filtering to keep email spam at bay. With a little training, this works amazingly well – I’m at 99.8% accuracy, and that’s with a little over a month of “training” precipitated by a recent server migration. But Bayesian filtering has one big weakness that

By Jeff Atwood ·
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