Cisco Cisco Email Security Appliance X1070 사용자 가이드

Outbreak Filters™, Cisco’s unique, preventive protection against new virus, scam, and phishing 
outbreaks that can quarantine dangerous messages until new updates are applied, reducing the 
window of vulnerability to new message threats. 

Policy, Virus, and Outbreak Quarantines provide a safe place to store suspect messages for 
evaluation by an administrator. 

Spam Quarantine either on-box or off, providing end user access to quarantined spam and 
suspected spam.

Email Authentication. Cisco AsyncOS supports various forms of email authentication, including 
Sender Policy Framework (SPF), Sender ID Framework (SIDF), and DomainKeys Identified Mail 
(DKIM) verification of incoming mail, as well as DomainKeys and DKIM signing of outgoing mail.

Cisco Email Encryption. You can encrypt outgoing mail to address HIPAA, GLBA and similar 
regulatory mandates. To do this, you configure an encryption policy on the Email Security appliance 
and use a local key server or hosted key service to encrypt the message. 

Email Security Manager, a single, comprehensive dashboard to manage all email security services 
and applications on the appliance. Email Security Manager can enforce email security based on user 
groups, allowing you to manage Cisco Reputation Filters, Outbreak Filters, Anti-Spam, Anti-Virus, 
and email content policies through distinct inbound and outbound policies. 

On-box Quarantine areas to hold messages that violate email policies. Quarantines seamlessly 
interact with the Outbreak Filters feature. 

On-box message tracking. AsyncOS includes an on-box message tracking feature that makes it 
easy to find the status of messages that the Email Security appliance processes.

Mail Flow Monitoring of all inbound and outbound email that provides complete visibility into all 
email traffic for your enterprise. 

Access control for inbound senders, based upon the sender’s IP address, IP address range, or 
domain. 

Extensive message filtering technology allows you to enforce corporate policy and act on specific 
messages as they enter or leave your corporate infrastructure. Filter rules identify messages based 
on message or attachment content, information about the network, message envelope, message 
headers, or message body. Filter actions allow messages to be dropped, bounced, archived, blind 
carbon copied, or altered, or to generate notifications.

Message encryption via secure SMTP over Transport Layer Security ensures messages traveling 
between your corporate infrastructure and other trusted hosts are encrypted. 

Virtual Gateway™ technology allows the Email Security appliance to function as several email 
gateways within a single server, which allows you to partition email from different sources or 
campaigns to be sent over separate IP addresses. This ensures that deliverability issues affecting one 
IP address do not impact others.

AsyncOS supports RFC 2821-compliant Simple Mail Transfer Protocol (SMTP) to accept and deliver 
messages. 

Most reporting, monitoring, and configuration commands are available through both the web-based GUI 
via HTTP or HTTPS. In addition, an interactive Command Line Interface (CLI) which you access from 
a Secure Shell (SSH) or direct serial connection is provided for the system. 

You can also set up a Security Management appliance to consolidate reporting, tracking, and quarantine 
management for multiple Email Security appliances.