On Saturday, Google labeled the entire Internet as malware, but in addition, because of the same issue, Gmail sent some legitimate email to its Spam folder. According to a blog post on the Official Gmail Blog, This morning there was a problem with the implementation of Google’s malware filters. Gmail’s spam engine uses those filters (among hundreds of other signals) to help protect our users from malware, and so between 6:00 a.m. PST and 8:00 a.m. PST, we mistakenly sent some legitimate mail to people’s spam