When a spam filter can cost you money

Georgia school implements strict spam filter, and a low-bid is marked as spam… Whoops.

A Georgia school, eager to avoid a large volume of junk e-mail, recently installed an aggressive anti-spam system. Unfortunately, the filter stopped a message from a contractor who was submitting a low bid to do work for the school, and the spam filter error may have cost the school thousands of dollars.

Link here.