03-29-2006
try to concentrate on regex "[' ']*|". It means zero or more spaces followes by bar "|".
"[' ']*|" is replaced by "|".
hope its clear now.
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LEARN ABOUT DEBIAN
mail::milter::module::connectregex
Mail::Milter::Module::ConnectRegex(3pm) User Contributed Perl Documentation Mail::Milter::Module::ConnectRegex(3pm)
NAME
Mail::Milter::Module::ConnectRegex - milter to accept/reject connecting hosts matching regex(es)
SYNOPSIS
use Mail::Milter::Module::ConnectRegex;
my $milter = new Mail::Milter::Module::ConnectRegex('^foo$');
my $milter2 = &ConnectRegex(qw{^foo$ ^bar$}); # convenience
$milter2->set_message('Connections from %H disallowed');
DESCRIPTION
This milter module rejects any connecting host whose hostname or IP address matches user-supplied regular expressions. It can also func-
tion as a whitelisting Chain element; see "accept_match()".
METHODS
new(REGEX[, ...])
Accepts one or more regular expressions, as strings or qr// precompiled regexes. They are tested in sequence, and the first match ter-
minates checking. Note that all IP address literals will be enclosed in [square brackets]; so to test an IP address rather than a
hostname, ensure those brackets exist:
^[ADDRESS]$
accept_match(FLAG)
If FLAG is 0 (the default), a matching regex will cause the connection to be rejected.
If FLAG is 1, a matching regex will cause this module to return SMFIS_ACCEPT instead. This allows a "ConnectRegex" to be used inside a
"Mail::Milter::Chain" container (in accept_break(1) mode), to function as a whitelist rather than a blacklist.
This method returns a reference to the object itself, allowing this method call to be chained.
set_message(MESSAGE)
Sets the message used when rejecting connections. This string may contain the substring %H, which will be replaced by the matching
hostname or IP address.
This method returns a reference to the object itself, allowing this method call to be chained.
BUGS
In Sendmail 8.11 and 8.12, a milter rejection at "connect" stage does not allow the reply message to be set -- it simply becomes "not
accepting messages". However, this module still attempts to set the reply code and message in the hope that this will be fixed.
AUTHOR
Todd Vierling, <tv@duh.org> <tv@pobox.com>
SEE ALSO
Mail::Milter::Object
perl v5.8.8 2004-02-26 Mail::Milter::Module::ConnectRegex(3pm)