Cisco Cisco Email Security Appliance C380 ユーザーガイド
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Cisco IronPort AsyncOS 7.3 for Email Advanced Configuration Guide
OL-23081-01
Chapter 6 Using Message Filters to Enforce Email Policies
Policy Enforcement Filters
Notify Based on Subject Filter
This filter sends notification based on whether the subject contains specific
words:
words:
search_for_sensitive_content:
if (Subject == "(?i)plaintiff|lawsuit|judge" ) {
notify ("admin@company.com");
}
BCC and Scan Mail Sent to Competitors
This filter scans and blind copies messages that are sent to competitors. Note that
you could use a dictionary and the header-dictionary-match() rule to specify a
more flexible list of competitors (see
you could use a dictionary and the header-dictionary-match() rule to specify a
more flexible list of competitors (see
):
competitorFilter:
if (rcpt-to == '@competitor1.com|@competitor2.com') {
bcc-scan('legal@example.com');
}
Block Specific User Filter
Use this filter to block email from a specific address:
block_harrasing_user:
if (mail-from == "ex-employee@hotmail\\.com") {
notify ("admin@company.com");