Mail::SpamAssassin::Plugin::DCC man page on Mageia

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Mail::SpamAssassin::PlUser:Contributed Perl Mail::SpamAssassin::Plugin::DCC(3)

NAME
       Mail::SpamAssassin::Plugin::DCC - perform DCC check of messages

SYNOPSIS
	 loadplugin	Mail::SpamAssassin::Plugin::DCC

	 full DCC_CHECK	       eval:check_dcc()
	 full DCC_CHECK_50_79  eval:check_dcc_reputation_range('50','79')

DESCRIPTION
       The DCC or Distributed Checksum Clearinghouse is a system of servers
       collecting and counting checksums of millions of mail messages.
       TheSpamAssassin.pm counts can be used by SpamAssassin to detect and
       reject or filter spam.

       Because simplistic checksums of spam can be easily defeated, the main
       DCC checksums are fuzzy and ignore aspects of messages.	The fuzzy
       checksums are changed as spam evolves.

       Note that DCC is disabled by default in "init.pre" because it is not
       open source.  See the DCC license for more details.

       See http://www.rhyolite.com/anti-spam/dcc/ for more information about
       DCC.

TAGS
       The following tags are added to the set, available for use in reports,
       header fields, other plugins, etc.:

	 _DCCB_	   DCC server ID in a response
	 _DCCR_	   response from DCC - header field body in X-DCC-*-Metrics
	 _DCCREP_  response from DCC - DCC reputation in percents (0..100)

       Tag _DCCREP_ provides a nonempty value only with commercial DCC
       systems.	 This is the percentage of spam vs. ham sent from the first
       untrusted relay.

USER OPTIONS
       use_dcc (0|1)	   (default: 1)
	   Whether to use DCC, if it is available.

       dcc_body_max NUMBER
       dcc_fuz1_max NUMBER
       dcc_fuz2_max NUMBER
	   This option sets how often a message's body/fuz1/fuz2 checksum must
	   have been reported to the DCC server before SpamAssassin will
	   consider the DCC check as matched.

	   As nearly all DCC clients are auto-reporting these checksums, you
	   should set this to a relatively high value, e.g. 999999 (this is
	   DCC's MANY count).

	   The default is 999999 for all these options.

       dcc_rep_percent NUMBER
	   Only commercial DCC systems provide DCC reputation information.
	   This is the percentage of spam vs. ham sent from the first
	   untrusted relay.  It will hit on new spam from spam sources.
	   Default is 90.

ADMINISTRATOR OPTIONS
       dcc_timeout n	   (default: 8)
	   How many seconds you wait for DCC to complete, before scanning
	   continues without the DCC results.

       dcc_home STRING
	   This option tells SpamAssassin where to find the dcc homedir.  If
	   not given, it will try to get dcc to specify one, and if that fails
	   it will try dcc's own default homedir of '/var/dcc'.	 If "dcc_path"
	   is not specified, it will default to looking in "dcc_home/bin" for
	   dcc client instead of relying on SpamAssassin to find it in the
	   current PATH.  If it isn't found there, it will look in the current
	   PATH. If a "dccifd" socket is found in "dcc_home" or specified
	   explicitly, it will use that interface instead of "dccproc".

       dcc_dccifd_path STRING
	   This option tells SpamAssassin where to find the dccifd socket. If
	   "dcc_dccifd_path" is not specified, it will default to looking for
	   a socket named "dccifd" in a directory "dcc_home".  The
	   "dcc_dccifd_path" can be a Unix socket name (absolute path), or an
	   INET socket specification in a form "[host]:port" or "host:port",
	   where a host can be an IPv4 or IPv6 address or a host name, and
	   port is a TCP port number. In case of an IPv6 address the brackets
	   are required syntax. If a "dccifd" socket is found, the plugin will
	   use it instead of "dccproc".

       dcc_path STRING
	   This option tells SpamAssassin specifically where to find the
	   "dccproc" client instead of relying on SpamAssassin to find it in
	   the current PATH.  Note that if taint mode is enabled in the Perl
	   interpreter, you should use this, as the current PATH will have
	   been cleared.

       dcc_options options
	   Specify additional options to the dccproc(8) command. Please note
	   that only characters in the range [0-9A-Za-z ,._/-] are allowed for
	   security reasons.

	   The default is "undef".

       dccifd_options options
	   Specify additional options to send to the dccifd(8) daemon. Please
	   note that only characters in the range [0-9A-Za-z ,._/-] are
	   allowed for security reasons.

	   The default is "undef".

perl v5.18.1			  2011-06-06Mail::SpamAssassin::Plugin::DCC(3)
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