Can anyone explain me where I should place the following code.... thanks,
Here is a patch to implement a spam filter using pattern matching on a configurable header field, instead of running spamassassin. --- lib/RT/Interface/Email/Filter/SpamHeader.pm 2004-02-18 16:26:44.000000000 +0100 +++ lib/RT/Interface/Email/Filter/SpamHeader.pm 2004-08-31 08:28:53.000000000 +0200 @@ -0,0 +1,101 @@ +# BEGIN LICENSE BLOCK +# +# Copyright (c) 2004 Petter Reinholdtsen <pere at hungry.com <http://lists.bestpractical.com/cgi-bin/mailman/listinfo/rt-devel>> +# +# This work is made available to you under the terms of Version 2 of +# the GNU General Public License. A copy of that license should have +# been provided with this software, but in any event can be snarfed +# from www.gnu.org. +# +# This work is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# Unless otherwise specified, all modifications, corrections or +# extensions to this work which alter its source code become the +# property of Best Practical Solutions, LLC when submitted for +# inclusion in the work. +# +# +# END LICENSE BLOCK +package RT::Interface::Email::Filter::SpamHeader; + +use RT::EmailParser; + +sub GetCurrentUser { + my %args = ( Message => undef, + CurrentUser => undef, + AuthLevel => undef, + Queue => undef, + @_ ); + + # Check configuration. + unless ($RT::SpamHeader) { + $RT::Logger->error("SpamHeader: Content of \$RT::SpamHeader is empty."); + return ($args{'CurrentUser'}, $args{'AuthLevel'}); + } + unless ($RT::SpamLowMatch) { + $RT::Logger->error("SpamHeader: Content of \$RT::SpamLowMatch is empty."); + return ($args{'CurrentUser'}, $args{'AuthLevel'}); + } + my $Message = $args{'Message'}; + unless ($Message) { + $RT::Logger->error("SpamHeader: \$Message is empty."); + return ($args{'CurrentUser'}, $args{'AuthLevel'}); + } + + my $head = $Message->head; + my $spamtag = $head->get($RT::SpamHeader); + + if (defined $RT::SpamHighMatch && $spamtag =~ m/$RT::SpamHighMatch/) { + if ($RT::SpamHighQueue) { + # Move to spam queue + $args{'Queue'}->Load( $RT::SpamHighQueue ); + } else { + # tell Gateway() to drop the mail + $RT::Logger->info("SpamHeader: Dropping spam message!"); + return ($args{CurrentUser}, -1); + } + } + + if ($spamtag =~ m/$RT::SpamLowMatch/) { + if ($RT::SpamLowQueue) { + # Move to spam queue + $args{'Queue'}->Load( $RT::SpamLowQueue ); + } else { + # tell Gateway() to drop the mail + $RT::Logger->info("SpamHeader: Dropping spam message!"); + return ($args{CurrentUser}, -1); + } + } + + $RT::Logger->debug("SpamHeader: Accepting non-spam message."); + return ($args{'CurrentUser'}, $args{'AuthLevel'}); +} + +=head1 NAME + +RT::Interface::Email::Filter::SpamHeader - Filter spam based on header tags + +=head1 SYNOPSIS + + Set($SpamHeader, "X-UiO-Spam-Score"); # Required + Set($SpamLowMatch, "ss+"); # Required + Set($SpamLowQueue, "spam"); # Optional + Set($SpamHighMatch, "ssssss+"); # Optional + Set($SpamHighQueue, undef); # Optional + @RT::MailPlugins = ("Filter::SpamHeader", ...); # Required + +=head1 DESCRIPTION + +This plugin checks to see if an incoming mail is spam by looking at +the header field given in $SpamHeader, matching it using the regex in +$SpamLowMatch and $SpamHighMatch. If the regex matches, it is +considered spam and dropped on the floor or moved to a spam queue if +the corresponding queue variable is set. Otherwise, it is handled as +normal. + +=cut + +1;
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