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The never ending creativity of email spammers

Email Spam continues to account for roughly 70 percent of all e-mail messages on the Internet. Blue Security has already closed shutters. GMail is intelligent but more intelligent spammers use text embedded inside pictures to trick GMail Spam Filters.

The NYTimes carries a similar story today about spammers trying to circumvent the junk-mail filters by embedding their messages into images. However, they term the move as desperate:
The images made the messages much bulkier than simple text messages, so the spammers were using more bandwidth to churn out fewer spams.
It worked, but only briefly.

MessageLabs quickly developed a "checksum," or fingerprint, for the images, and created a filter to block them.