From Nextgov.com: Defense declares war on spam in bid to protect networks
DISA asks companies for applications that can scan 50 million e-mails a day coming into 5 million users, a requirement that could present management challenges .
The Defense Information Systems Agency asked technology companies on Wednesday for ideas on how to build an e-mail defense system on the perimeter of its networks that can scan 50 million inbound messages a day to catch spam, viruses and cyberattacks.