Cisco Cisco Email Security Appliance X1070 Troubleshooting Guide
Contents
Introduction
Background Information
Write a filter
Reference a character based dictionary
References
Related Information
Related Cisco Support Community Discussions
Introduction
This document describes how to write and configure a filter in order to detect and take action on
content type based character sets on the Cisco Email Security Appliance (ESA). The following
document can be used to detect foreign language based characters seen in spam messages.
content type based character sets on the Cisco Email Security Appliance (ESA). The following
document can be used to detect foreign language based characters seen in spam messages.
Background Information
ESA administrators may receive an influx of mail messages that contain character based foreign
languages that are not legitimate mail for their company or domain(s). One way to address from
the ESA, we have two options:
languages that are not legitimate mail for their company or domain(s). One way to address from
the ESA, we have two options:
Write a filter
The first option is for the administrator to write and configure a filter, and associate it to a mail
policy, as needed.
policy, as needed.
Note: Writing and configuring
Note: Configuring this as a content filter is strongly suggested, as content filters occur after
anti-spam scanning. However, this can be written and configured as a message filter, if
needed.
anti-spam scanning. However, this can be written and configured as a message filter, if
needed.
The following example will take into account a mail message contain Russian (