diff --git a/htdocs/core/actions_sendmails.inc.php b/htdocs/core/actions_sendmails.inc.php
index 83a823edeb2..e5c75a2e7c3 100644
--- a/htdocs/core/actions_sendmails.inc.php
+++ b/htdocs/core/actions_sendmails.inc.php
@@ -182,10 +182,15 @@ if (($action == 'send' || $action == 'relance') && !$_POST['addfile'] && !$_POST
 
 		$tmparray = array();
 		if (trim($_POST['sendto'])) {
-			// Recipients are provided into free text
+			// Recipients are provided into free text field
 			$tmparray[] = trim($_POST['sendto']);
 		}
 
+		if (trim($_POST['tomail'])) {
+			// Recipients are provided into free hidden text field
+			$tmparray[] = trim($_POST['tomail']);
+		}
+
 		if (count($receiver) > 0) {
 			// Recipient was provided from combo list
 			foreach ($receiver as $key => $val) {