diff --git a/modules/emails/edit.php b/modules/emails/edit.php
index d522ccc8e..4edaa3575 100755
--- a/modules/emails/edit.php
+++ b/modules/emails/edit.php
@@ -2,6 +2,15 @@
 
 include_once __DIR__.'/../../core.php';
 
+
+if (!$record['predefined']) {
+    $attr = '';
+} else {
+    $attr = 'readonly';
+    echo '<div class="alert alert-warning">'.tr('Alcune impostazioni non possono essere modificate per questo stato template.').'</div>';
+}
+
+
 ?>
 <form action="" method="post" id="edit-form">
 	<input type="hidden" name="op" value="update">
@@ -16,7 +25,7 @@ include_once __DIR__.'/../../core.php';
 		<div class="panel-body">
             <div class="row">
                 <div class="col-md-8">
-                    {[ "type": "text", "label": "<?php echo tr('Nome'); ?>", "name": "name", "value": "$name$", "required": 1 ]}
+                    {[ "type": "text", "label": "<?php echo tr('Nome'); ?>", "name": "name", "value": "$name$", "required": 1, "extra": "<?php echo $attr; ?>" ]}
                 </div>
 
                 <div class="col-md-4">
@@ -124,7 +133,16 @@ echo '
     </div>
 
 </form>
+<?php
 
+if (!$record['predefined']) {
+
+?>
 <a class="btn btn-danger ask" data-backto="record-list">
     <i class="fa fa-trash"></i> <?php echo tr('Elimina'); ?>
 </a>
+
+<?php
+
+}
+?>
\ No newline at end of file
diff --git a/modules/stato_email/buttons.php b/modules/stato_email/buttons.php
index acf3964b2..dabf39086 100644
--- a/modules/stato_email/buttons.php
+++ b/modules/stato_email/buttons.php
@@ -17,8 +17,6 @@ if (( $record['attempt'] >= 10) && empty($record['sent_at'])) {
             <i class="fa fa-envelope"></i> '.tr('Invia immeditamente').'
         </a>';
 
-
- 
 }else if (!empty($record['sent_at'])) {
 
     echo '
diff --git a/update/2_4_16.sql b/update/2_4_16.sql
index ecfcdea4d..f0e2b092f 100644
--- a/update/2_4_16.sql
+++ b/update/2_4_16.sql
@@ -32,3 +32,10 @@ INSERT INTO `zz_segments` (`id`, `id_module`, `name`, `clause`, `position`, `pat
 (NULL, (SELECT `id` FROM `zz_modules` WHERE `name` = 'Interventi'), 'Tutti', '1=1', 'WHR', '####', '', 1, 0, 0, 0),
 (NULL, (SELECT `id` FROM `zz_modules` WHERE `name` = 'Interventi'), 'Attività', 'orario_inizio BETWEEN ''|period_start|'' AND ''|period_end|'' OR orario_fine BETWEEN ''|period_start|'' AND ''|period_end|''', 'WHR', '####', '', 0, 0, 0, 0),
 (NULL, (SELECT `id` FROM `zz_modules` WHERE `name` = 'Interventi'), 'Promemoria', '((in_interventi_tecnici.orario_inizio=''0000-00-00 00:00:00'' AND in_interventi_tecnici.orario_fine=''0000-00-00 00:00:00'') OR in_interventi_tecnici.id IS NULL)', 'WHR', '####', '', 0, 0, 0, 0);
+
+
+-- Aggiunta dei template predefiniti che non possono essere rinominati o eliminati
+UPDATE `em_templates` SET `predefined` = '1' WHERE `em_templates`.`name` = 'Notifica intervento'; 
+UPDATE `em_templates` SET `predefined` = '1' WHERE `em_templates`.`name` = 'Notifica rimozione intervento'; 
+UPDATE `em_templates` SET `predefined` = '1' WHERE `em_templates`.`name` = 'Reset password'; 
+UPDATE `em_templates` SET `predefined` = '1' WHERE `em_templates`.`name` = 'Rapportino intervento'; 
\ No newline at end of file