235 lines
6.6 KiB
PHP
235 lines
6.6 KiB
PHP
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<?php
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/*
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AlternC - Web Hosting System
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Copyright (C) 2002 by the AlternC Development Team.
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http://alternc.org/
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----------------------------------------------------------------------
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LICENSE
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License (GPL)
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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To read the license please visit http://www.gnu.org/copyleft/gpl.html
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----------------------------------------------------------------------
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Purpose of file: Based on procmail-builder module, converts
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the procmail generated by AlternC<=1.0.3 to AlternC>=3.0
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----------------------------------------------------------------------
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*/
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/* ----------------------------------------------------------------- */
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/**
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MAIN FUNCTION
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Read all the mail folders and search for .procmailrc's
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*/
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function procmail2sieve() {
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global $ROOT;
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$d=opendir($ROOT);
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if ($d) {
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while ($c=readdir($d)) {
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if (substr($c,0,1)==".") continue; // skip hidden files
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if (is_dir($ROOT."/".$c)) {
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// Go to level 2.
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$e=opendir($ROOT."/".$c);
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if ($e) {
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while ($f=readdir($e)) {
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if (substr($f,0,1)==".") continue; // skip hidden files
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if (is_file($ROOT."/".$c."/".$f."/.procmailrc")) {
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// We found one .procmailrc, let's parse it on behalf of his user...
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parseOneProcmail($f); /* ################## SUB FUNCTION ###################### */
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}
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}
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closedir($e);
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}
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}
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}
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closedir($d);
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}
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} /* procmail2sieve */
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/* ----------------------------------------------------------------- */
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/** Parse ONE procmailrc, and write its sieve rules
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*/
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function parseOneProcmail($user) {
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global $SIEVEROOT;
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if ($rules=readrules($user)) { /* ################## SUB FUNCTION ###################### */
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for($i=0; $i<count($rules); $i++) {
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list($rules[$i]["conds"],$rules[$i]["actionparam"])=describe($rules[$i]); /* ################## SUB FUNCTION ###################### */
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}
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// Now we have $rule["type"] = the ACTION to accomplish + (if 1 or 4) $actionparam
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// and a list of $rule["conds"][0]=condition type & $rule["conds"][1]=condition parameter (if not 5)
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// Let's write a sieve script :)
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$f=fopen($SIEVEROOT."/".$user,"wb");
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if (!$f) {
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echo "ERROR: Can't open '$user' in '$SIEVEROOT' for writing\n";
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} else {
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echo "OK: writing sieve script for $user (".count($rules)." rules)\n";
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// FIXME: DO IT :)
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fclose($f);
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}
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} else {
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echo "ERROR: can't read rules for $user\n";
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}
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} /* parseOneProcmauil */
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/* ----------------------------------------------------------------- */
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/** Read rules, fill an array
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from m_procmail.php original file
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yeah I know, ereg() is deprecated ;)
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*/
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function readrules($user="") {
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if (!$user) $user=$this->user;
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$u=substr($user,0,1);
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if (!file_exists("/var/alternc/mail/$u/$user/.procmailrc")) {
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return false;
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}
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$f=fopen("/var/alternc/mail/$u/$user/.procmailrc","rb");
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$state=0; $rulenum=0; $ligne=0;
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$res=array();
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while (!feof($f)) {
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$found=false; // found allow us to know if we found something for each loop
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$s=fgets($f,1024);
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$s=trim($s);
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if ($state==1 && !ereg("^# RuleEnd$",$s)) {
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$res[$rulenum]["rule"][$res[$rulenum]["count"]++]=$s;
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$found=true;
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}
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if ($state==1 && ereg("^# RuleEnd$",$s)) {
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$state=0;
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$rulenum++;
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$found=true;
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}
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if ($state==0 && ereg("^# RuleType ([0-9][0-9]) -- (.*)?$",$s,$r)) {
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$state=1;
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$res[$rulenum]["type"]=$r[1];
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$res[$rulenum]["name"]=$r[2];
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$res[$rulenum]["count"]=0;
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$found=true;
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}
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if (!$found && $state!=0) {
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return false;
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}
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$ligne++;
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}
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fclose($f);
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return $res;
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}
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/* ----------------------------------------------------------------- */
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/** Take ONE rule array, extract properly
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returns one array with the conditions (which are arrays with Condition Type and Value)
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and the action parameter
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*/
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function describe($rule) {
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// Lecture des conditions :
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$cond=array();
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switch ($rule["type"]) {
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case 5:
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$i=1;
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while ($rule["rule"][$i]!="* !^FROM_DAEMON" && $rule["rule"][$i]!="") {
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$cond[]=$rule["rule"][$i];
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$i++;
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}
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break;
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default:
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$i=1;
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while (substr($rule["rule"][$i],0,1)=="*") {
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$cond[]=$rule["rule"][$i];
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$i++;
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}
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break;
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}
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// $cond is an array of conditions
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// let's parse the condition : (see arrays at the top of this file)
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$conds=array();
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for($i=0;$i<count($cond);$i++) {
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if (ereg("^\\* \\^Subject\\.\\*(.*)$",$cond[$i],$t)) {
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$conds[]=array( 0, $t[1] );
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}
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if (ereg("^\\* \\^From\\.\\*(.*)$",$cond[$i],$t)) {
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$conds[]=array( 1, $t[1] );
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}
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if (ereg("^\\* \\^TO_(.*)$",$cond[$i],$t)) {
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$conds[]=array( 2, $t[1] );
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}
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if (ereg("^\\* \\^List-Post: (.*)$",$cond[$i],$t)) {
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$conds[]=array( 3, $t[1] );
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}
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if (ereg("^\\* \\^List-Id: (.*)$",$cond[$i],$t)) {
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$conds[]=array( 4, $t[1] );
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}
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if (ereg("^\\* \\^X-Spam-Status: Yes$",$cond[$i])) {
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$conds[]=array( 5 );
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}
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if (ereg("^\\* \\^Delivered-To:\\.\\*(.*)$",$cond[$i],$t)) {
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$conds[]=array( 6, $t[1] );
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}
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}
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// Action :
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$actionparam=false;
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switch ($rule["type"]) {
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case 1:
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$actionparam=$rule["rule"][count($rule["rule"])-2]; /* Folder */
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break;
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case 4:
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$actionparam = substr($rule["rule"][count($rule["rule"])-2],0,15); /* Recipient */
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break;
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}
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return array($conds,$actionparam);
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}
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/* Help for humans ... */
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$acriteria=array(
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0 => "Le sujet du message contient ...",
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1 => "L'exp<78>diteur du message est contient ...",
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2 => "L'un des destinataires du message contient ...",
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3 => "L'en-tete 'List-Post' du message est ...",
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4 => "L'en-tete 'List-Id' du message est ...",
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5 => "SpamAssassin consid<69>re qu'il s'agit d'un Spam",
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6 => "L'en-tete 'Delivered-To' du message contient ...",
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);
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$aactions=array(
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1 => "Move the message to this folder",
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2 => "Filter the message through SpamAssassin",
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3 => "Discard the message (for good !)",
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4 => "Forward the mail to",
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5 => "Auto-reply",
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);
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/* ----------------------------------------------------------------- */
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// CONFIGURATION :
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$ROOT="/var/alternc/mail";
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$SIEVEROOT="/var/lib/dovecot/sieve";
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// GO !
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procmail2sieve();
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