Why deploy an email security appliance?
Email security appliances, including spam firewalls and email filtering appliances, are purpose-built devices that inspect email traffic to stem the flow of undesirable messages and/or enforce corporate policies. By discarding, throttling or quarantining email, these appliances try to stop spam — about 85% of all email traffic — from reaching workgroup servers or user inboxes. Potential benefits include a lighter load on your LAN, email and storage servers; improved workforce productivity; and reduction in the number of virus, spyware and phishing attacks that result in asset damage or identity theft. Most email security appliances are designed to deflect unsolicited inbound SMTP traffic. Some also filter outbound email to address liability concerns, confidentiality risks, and compliance requirements. For example, analysts estimate that 8% of U.S. firms have been involved in lawsuits involving email or Internet abuse; appliances are one way to manage this risk by blocking porn or oth
