diff -urN rssfixes_G01_hidden_database_error_editlist/lists/admin/defaultplugin.php rssfixes_G02_added_iWantToProcess_function/lists/admin/defaultplugin.php
--- rssfixes_G01_hidden_database_error_editlist/lists/admin/defaultplugin.php	2010-05-16 17:49:52.000000000 +0200
+++ rssfixes_G02_added_iWantToProcess_function/lists/admin/defaultplugin.php	2010-05-17 06:10:41.000000000 +0200
@@ -63,6 +63,10 @@
     return null;
   }
 
+  function iWantToProcess($messagedata, $userdata) {
+    # Returns if the plugin want to process or not the message in order to send it
+    return true;
+  }
   function writeConfig($name, $value) {
     #  write a value to the general config to be retrieved at a later stage
     # parameters: name -> name of the variable
diff -urN rssfixes_G01_hidden_database_error_editlist/lists/admin/sendemaillib.php rssfixes_G02_added_iWantToProcess_function/lists/admin/sendemaillib.php
--- rssfixes_G01_hidden_database_error_editlist/lists/admin/sendemaillib.php	2010-05-16 17:49:52.000000000 +0200
+++ rssfixes_G02_added_iWantToProcess_function/lists/admin/sendemaillib.php	2010-05-17 06:41:21.000000000 +0200
@@ -507,6 +507,7 @@
   }
 
   foreach ($GLOBALS['plugins'] as $plugin) {
+   if ($plugin->iWantToProcess($cached[$messageid],$userdata)) {
     $textmessage = $plugin->parseOutgoingTextMessage($messageid,$textmessage,$destinationemail, $userdata);
     $htmlmessage = $plugin->parseOutgoingHTMLMessage($messageid,$htmlmessage,$destinationemail, $userdata);
     $plugin_attachments = $plugin->getMessageAttachment($messageid,$mail->Body);
@@ -517,6 +518,7 @@
             $plugin_attachment["mimetype"]);
       }
     }
+   }
   }
 
   # this should move into a plugin
@@ -771,7 +773,9 @@
       } else {
         Sql_Query("update {$GLOBALS["tables"]["message"]} set astext = astext + 1 where id = $messageid");
         foreach ($GLOBALS['plugins'] as $plugin) {
-          $plugin->processSuccesFailure ($messageid, 'astext', $userdata);
+	  if ($plugin->iWantToProcess($message,$userdata)) {
+            $plugin->processSuccesFailure ($messageid, 'astext', $userdata);
+          }
         }
         $mail->add_text($textmessage);
         addAttachments($messageid,$mail,"text");
@@ -780,7 +784,9 @@
     case "PDF":
       # send a PDF file to users who want html and text to everyone else
       foreach ($GLOBALS['plugins'] as $plugin) {
-        $plugin->processSuccesFailure ($messageid, 'astext', $userdata);
+          if ($plugin->iWantToProcess($cached[$messageid],$userdata)) {
+            $plugin->processSuccesFailure ($messageid, 'astext', $userdata);
+          }
       }
       if ($htmlpref) {
         Sql_Query("update {$GLOBALS["tables"]["message"]} set aspdf = aspdf + 1 where id = $messageid");
@@ -816,7 +822,9 @@
       break;
     case "text and PDF":
       foreach ($GLOBALS['plugins'] as $plugin) {
-        $plugin->processSuccesFailure ($messageid, 'astext', $userdata);
+          if ($plugin->iWantToProcess($cached[$messageid],$userdata)) {
+            $plugin->processSuccesFailure ($messageid, 'astext', $userdata);
+          }
       }
       # send a PDF file to users who want html and text to everyone else
       if ($htmlpref) {
@@ -854,7 +862,9 @@
     case "text":
       # send as text
       foreach ($GLOBALS['plugins'] as $plugin) {
+          if ($plugin->iWantToProcess($cached[$messageid],$userdata)) {
         $plugin->processSuccesFailure ($messageid, 'astext', $userdata);
+          }
       }
       Sql_Query("update {$GLOBALS["tables"]["message"]} set astext = astext + 1 where id = $messageid");
        $mail->add_text($textmessage);
@@ -877,7 +887,9 @@
         if ($htmlpref) {
           Sql_Query("update {$GLOBALS["tables"]["message"]} set astextandhtml = astextandhtml + 1 where id = $messageid");
         foreach ($GLOBALS['plugins'] as $plugin) {
-          $plugin->processSuccesFailure($messageid, 'ashtml', $userdata);
+          if ($plugin->iWantToProcess($cached[$messageid],$userdata)) {
+            $plugin->processSuccesFailure($messageid, 'ashtml', $userdata);
+          }
         }
         #  dbg("Adding HTML ".$cached[$messageid]["templateid"]);
           $mail->add_html($htmlmessage,$textmessage,$cached[$messageid]["templateid"]);
@@ -885,7 +897,9 @@
         } else {
           Sql_Query("update {$GLOBALS["tables"]["message"]} set astext = astext + 1 where id = $messageid");
           foreach ($GLOBALS['plugins'] as $plugin) {
-            $plugin->processSuccesFailure($messageid, 'astext', $userdata);
+            if ($plugin->iWantToProcess($cached[$messageid],$userdata)) {
+              $plugin->processSuccesFailure($messageid, 'astext', $userdata);
+	    }
           }
           $mail->add_text($textmessage);
           addAttachments($messageid,$mail,"text");