diff --git a/htdocs/admin/emailcollector_card.php b/htdocs/admin/emailcollector_card.php
index 42c23398263..50c54621b51 100644
--- a/htdocs/admin/emailcollector_card.php
+++ b/htdocs/admin/emailcollector_card.php
@@ -442,8 +442,21 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 	// Add filter
 	print '<tr class="oddeven">';
 	print '<td>';
-	$arrayoftypes=array('from'=>'MailFrom', 'to'=>'MailTo', 'cc'=>'Cc', 'bcc'=>'Bcc', 'subject'=>'Subject', 'body'=>'Body', 'seen'=>'AlreadyRead', 'unseen'=>'NotRead', 'withtrackingid'=>'WithDolTrackingID', 'withouttrackingid'=>'WithoutDolTrackingID');
-	print $form->selectarray('filtertype', $arrayoftypes, '', 1, 0, 0, '', 1);
+	$arrayoftypes=array(
+	    'from'=>'MailFrom',
+	    'to'=>'MailTo',
+	    'cc'=>'Cc',
+	    'bcc'=>'Bcc',
+	    'subject'=>'Subject',
+	    'body'=>'Body',
+	    'X1'=>'---',
+	    'seen'=>'AlreadyRead',
+	    'unseen'=>'NotRead',
+	    'X2'=>'---',
+	    'withtrackingid'=>'WithDolTrackingID',
+	    'withouttrackingid'=>'WithoutDolTrackingID'
+	);
+	print $form->selectarray('filtertype', $arrayoftypes, '', 1, 0, 0, '', 1, 0, 0, '', '', 0, '', 2);
 	print '</td><td>';
 	print '<input type="text" name="rulevalue">';
 	print '</td>';
@@ -461,7 +474,6 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 		print '</td>';
 		print '<td>'.$rulefilter['rulevalue'].'</td>';
 		print '<td class="right">';
-		//print $rulefilterobj->getLibStatut(3);
 		print ' <a href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&action=deletefilter&filterid='.$rulefilter['id'].'">'.img_delete().'</a>';
 		print '</td>';
 		print '</tr>';
diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 2fb79ca56f2..4f61435f124 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -5841,10 +5841,10 @@ class Form
 	 *  @param	string			$morecss			Add more class to css styles
 	 *  @param	int				$addjscombo			Add js combo
 	 *  @param  string          $moreparamonempty	Add more param on the empty option line. Not used if show_empty not set
-	 *  @param  int             $disablebademail	Check if an email is found into value and if not disable and colorize entry
+	 *  @param  int             $disablebademail	1=Check if a not valid email, 2=Check string '---', and if found into value, disable and colorize entry
 	 *  @param  int             $nohtmlescape		No html escaping.
 	 * 	@return	string								HTML select string.
-	 *  @see multiselectarray, selectArrayAjax, selectArrayFilter
+	 *  @see multiselectarray(), selectArrayAjax(), selectArrayFilter()
 	 */
 	public static function selectarray($htmlname, $array, $id = '', $show_empty = 0, $key_in_label = 0, $value_as_key = 0, $moreparam = '', $translate = 0, $maxlen = 0, $disabled = 0, $sort = '', $morecss = '', $addjscombo = 0, $moreparamonempty = '', $disablebademail = 0, $nohtmlescape = 0)
 	{
@@ -5902,9 +5902,9 @@ class Form
 				$disabled=''; $style='';
 				if (! empty($disablebademail))
 				{
-					if (! preg_match('/&lt;.+@.+&gt;/', $value))
+				    if (($disablebademail == 1 && ! preg_match('/&lt;.+@.+&gt;/', $value))
+				        || ($disablebademail == 2 && preg_match('/---/', $value)))
 					{
-						//$value=preg_replace('/'.preg_quote($a,'/').'/', $b, $value);
 						$disabled=' disabled';
 						$style=' class="warning"';
 					}