74 lines
3.5 KiB
CFEngine3
74 lines
3.5 KiB
CFEngine3
# $NetBSD: sample-pcre-header.cf,v 1.4 2004/03/27 16:31:19 heas Exp $
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#
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#
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# Sample pcre (PERL-compatible regular expression) map file for
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# message header filtering. See pcre_table(5) for syntax description.
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#
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# Message headers are filtered one at a time. This filter understands
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# multi-line message headers, including MIME headers in the message
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# body.
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#
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# The first field is a perl-like regular expression. The expression
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# delimiter can be any character except whitespace, or characters
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# that have special meaning to the regexp library (traditionally
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# the forward slash is used). The regular expression can contain
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# whitespace.
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#
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# By default, matching is case-INsensitive, although following
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# the second slash with an 'i' will reverse this. Other flags are
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# supported, but the only other useful one is 'U', which makes
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# matching ungreedy (see PCRE documentation and source for more
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# info).
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#
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# A block of table entries may be "enclosed" by a line with
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# `if /pattern/flags' and a line with `endif'. This causes
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# the block of table entries to be examined only when the
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# search string matches the pattern. The `if..endif' may
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# be nested. There currently is no `else' operator.
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#
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# The second field is the "replacement" string - the text
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# returned by the match.
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#
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# REJECT [optional text...]
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# Reject the entire message. The optional text is sent to
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# the originator and is logged to the maillog file.
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# OK Skip all further header patterns for this header line.
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# IGNORE Silently ignore the message header.
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# WARN [optional text...]
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# Log the message header and the optional text. This is
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# useful for testing. When the pattern is good, change the
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# WARN into a REJECT or into a DISCARD.
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# HOLD [optional text...]
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# Place the message on the hold queue. Mail on hold can
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# be inspected with the postcat command, and can be
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# destroyed or taken off hold (i.e. delivered) with the
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# postsuper command. The matched header is logged
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# together with the optional text.
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# DISCARD [optional text...]
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# Claim successful delivery and silently discard the
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# message. The matched header is logged together with
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# the optional text.
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# FILTER transport:nexthop
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# After the message is queued, send the entire
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# message through a content filter. This
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# requires different cleanup servers before
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# and after the filter, with header/body
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# checks turned off in the second cleanup
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# server. More information about content filters
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# is in the Postfix FILTER_README file. This feature
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# overrides the main.cf content_filter setting.
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#
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# Substitution of sub-strings from the matched expression is
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# possible using the conventional perl syntax. The macros in the
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# replacement string may need to be protected with curly braces
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# if they aren't followed by whitespace (see the examples
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# below).
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#
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# Lines starting with whitespace are continuation lines - they are
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# appended to the previous line (there should be no whitespace
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# before your regular expression!)
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#
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/^Subject: Make Money Fast/ REJECT
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/^To: friend@public.com/ REJECT
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