Spam-filtering

A startup spam-filtering company is using haiku in email headers as a way of stopping spam. The idea is that you can set up your email program to reject all email that doesn’t contain this haiku in the header… but if spammers try to use the haiku, they can be sued for copyright and trademark violation. The haiku:

winter into spring
brightly anticipated
like Habeas SWE ™

Spam-filtering