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Chapter 5 Whitelisting
Sample whitelist configuration file 27
Sample whitelist configuration file
## Whitelist Configuration File
#
# This configuration file defines whitelisted
# domains, IPs and headers. When an item is
# matched, the message is guaranteed to be let
# through, unmodified.
# Empty lines or lines where the first non-whitespace
character is a ``#'' are ignored.
# Type: Host
# This type of whitelist entry applies to any kind
# of ip or domain name. If a DNS name is provided,
# then whitelist effectiveness is contingent on DNS
# being properly enabled and set up on the system
# this product is installed on. IP subclasses and
# DNS subdomains are supported.
#type = host; address = [1.2.3.4];
#type = host; address = [192.168.];
#type = host; address = [mx1.somecompany.com];
#type = host; address = [.gov];
# Type: Header
# This type of whitelist entry effectively matches any
substring or regular expression against the specified header
field.
#type = header; header = [From]; value = [@.*gov>];
#type = header; header = [From]; value = [@cloudmark.com];
# Type: Envelope
# This type of whitelist entry applies to commands
# on the SMTP envelope. The value will match
# against any substring or regular expression in
# the specified command field of the envelope.
#type = envelope; command = [helo]; value = [.*ite];
#type = envelope; command = [mail from]; value = [@.*ite];
#type = envelope; command = [rcpt to]; value = [@.*ite];
# Type: body
# This type of whitelist only applies to the body
# of the message. The value of those entries can be
# any kind of regex. Be careful as to what is
# entered here since the most complex regexes will