Microsoft Hotmail Tackles Unwanted Graymail

There are many security tools dedicated to blocking spam and malicious email from user inboxes, but Microsoft is the only one blocking newsletters and limited time offers. – Not all unwanted email flooding inboxes can be classified as
spam and Microsoft appears to be one of the few companies paying attention to cleaning
up the other types of emails that get through spam filters.
Malicious email, or messages specifically sent to distribute
malware, is usually not def…