Is "unsubscribing" from unwanted emails a bad idea or is that urban legend?

[missypie]

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If you really want to get specific about it, you can generally tell from the headers on the email whether the sender is legit or not.

</p>

<p>Yesterday I was about to contact a law firm…had never heard of them…hovered over their address and saw that it was actually one of the highly notorious robo-signing firms that had changed its name but not its web address.</p>