diff -urp Download/mail_logger/mail_logger.module /var/vhosts/web_drupal_6/http/sites/all/modules/contributed/mail_logger/mail_logger.module
--- Download/mail_logger/mail_logger.module	2008-05-26 01:30:30.000000000 +0200
+++ /var/vhosts/web_drupal_6/http/sites/all/modules/contributed/mail_logger/mail_logger.module	2009-08-27 10:07:19.000000000 +0200
@@ -5,7 +5,7 @@
  *
  */
 function mail_logger_boot() {
-  //because modules can modify the outgoing mail, mail_logger must be executed last in order to capture 
+  //because modules can modify the outgoing mail, mail_logger must be executed last in order to capture
   //the final mail parameters by setting the weight of mail_logger to something ridicolous
   $max_weight = db_result(db_query("select max(weight) from {system} where name != 'mail_logger'"));
   db_query("UPDATE {system} SET weight = %d WHERE name = 'mail_logger'", $max_weight + 100);
@@ -38,6 +38,14 @@ function mail_logger_menu() {
     'access arguments'  => array('access mail logger'),
     'type'              => MENU_CALLBACK,
    );
+  $items['admin/reports/mail-logger/resend/%'] = array(
+    'title'             => t('Outgoing Mail log entries'),
+    'description'       => t('Resend a logged mail'),
+    'page callback'     => 'mail_logger_resend_mail',
+    'page arguments'    => array(4),
+    'access arguments'  => array('access mail logger'),
+    'type'              => MENU_CALLBACK,
+   );
 
   return $items;
 }
@@ -50,7 +58,7 @@ function mail_logger_theme() {
 }
 function mail_logger_read_mail($id) {
   if(!isset($id) || !is_numeric($id)) {
-    return 'Invalid Mail Logger ID parameter'; 
+    return 'Invalid Mail Logger ID parameter';
   }
   else if ($result = db_query('SELECT * FROM {mail_logger} WHERE mlid = %d LIMIT 1', $id) ) {
     drupal_add_css(drupal_get_path('module', 'mail_logger') .'/mail_logger.css');
@@ -60,6 +68,21 @@ function mail_logger_read_mail($id) {
     return 'No Mail Logger record found with id '. $id;
   }
 }
+function mail_logger_resend_mail($id) {
+  if(!isset($id) || !is_numeric($id)) {
+    return 'Invalid Mail Logger ID parameter';
+  }
+  else if ($result = db_query('SELECT * FROM {mail_logger} WHERE mlid = %d LIMIT 1', $id) ) {
+    $mail = db_fetch_object($result);
+    // Resend mail with own module and key.
+    // Using original module and key would cause that the mail would be rebuild/altered again.
+    drupal_mail('mail_logger', 'resend', $mail->to, $mail->language, '', $mail->from);
+    drupal_goto('admin/reports/mail-logger');
+  }
+  else {
+    return 'No Mail Logger record found with id '. $id;
+  }
+}
 
 function theme_mail_logger_read_mail($mail) {
   $output = '';
@@ -84,22 +107,26 @@ function mail_logger_mail_alter(&$messag
 //drupal_set_message('<pre>'. print_r($message, 1) .'</pre>');
 //return ;
 //this line taken from mail.inc:drupal_mail()
-  $message['body'] = is_array($message['body']) ? drupal_wrap_mail(implode("\n\n", $message['body'])) : drupal_wrap_mail($message['body']);
-  $args = array(
-    $message['id'],
-    $message['to'],
-    $message['subject'],
-    $message['body'],
-    $message['from'],
-    serialize($message['headers']),
-    time(),
-    $message['language']->language,
-  );
-  
-  db_query("INSERT INTO {mail_logger} (
-  `mlid` , `mailkey` , `to` , `subject` , `body` , `from` , `headers`, `date_sent`, `language`
-  ) VALUES ( 
-  NULL, '%s', '%s', '%s', '%s', '%s', '%s', %d, '%s' )", $args);
+
+  if ($message['id'] != 'mail_logger_resend') {
+    // Don't log message that are a resend of the original one
+    $message['body'] = is_array($message['body']) ? drupal_wrap_mail(implode("\n\n", $message['body'])) : drupal_wrap_mail($message['body']);
+    $args = array(
+      $message['id'],
+      $message['to'],
+      $message['subject'],
+      $message['body'],
+      $message['from'],
+      serialize($message['headers']),
+      time(),
+      $message['language']->language,
+    );
+
+    db_query("INSERT INTO {mail_logger} (
+    `mlid` , `mailkey` , `to` , `subject` , `body` , `from` , `headers`, `date_sent`, `language`
+    ) VALUES (
+    NULL, '%s', '%s', '%s', '%s', '%s', '%s', %d, '%s' )", $args);
+  }
 
 }
 /**
@@ -164,12 +191,13 @@ function mail_logger_overview() {
     array('data' => t('From'), 'field' => 'ml.from'),
     array('data' => t('Subject'), 'field' => 'ml.subject'),
     array('data' => t('Date Sent'), 'field' => 'ml.date_sent'),
+    t('Actions')
   );
   $tablesort = tablesort_sql($header);
 
   $sql = "SELECT ml.mlid, ml.mailkey, ml.to, ml.from, ml.subject, ml.date_sent FROM {mail_logger} ml";
   $type = $_SESSION['mail_logger_overview_filter'];
-  
+
   if ($type != 'all') {
     $result = pager_query($sql ." WHERE ml.mailkey = '%s'". $tablesort, 50, 0, NULL, $type);
   }
@@ -186,6 +214,7 @@ function mail_logger_overview() {
         $mail_logger->from,
         l(truncate_utf8($mail_logger->subject, 56, TRUE, TRUE), 'admin/reports/mail-logger/mail/'. $mail_logger->mlid ),
         format_date($mail_logger->date_sent, 'small'),
+        l(t('Resend'), 'admin/reports/mail-logger/resend/'. $mail_logger->mlid ),
       ),
     );
   }
Only in /var/vhosts/web_drupal_6/http/sites/all/modules/contributed/mail_logger/: mail_logger_resend.patch
Only in /var/vhosts/web_drupal_6/http/sites/all/modules/contributed/mail_logger/: .svn