diff --git a/formulaires/gamumail.php b/formulaires/gamumail.php
index 4afeb7c..288482f 100644
--- a/formulaires/gamumail.php
+++ b/formulaires/gamumail.php
@@ -323,7 +323,12 @@ if ($redirect AND $redirect != '') {
 
 
 function gamuSend($slug, $options, $destinataires, $Tclient, $Tpdf, $Tfiles, $redirect, &$retour = []) {
-
+	static $iteration;
+	if ($iteration === null) {
+		$iteration = 1;
+	} else {
+		$iteration++;
+	}
 	$cc         = _request('cc') ?? [];
 	$cci        = _request('cci') ?? [];
 	$repondre_a = _request('repondre_a') ?? [];
@@ -555,8 +560,9 @@ function gamuSend($slug, $options, $destinataires, $Tclient, $Tpdf, $Tfiles, $re
 
 	[$destinataires, $sujet, $corps] = array_values(pipeline('gamumail_pre_envoi', [
 		'args' => [
-			'slug'    => $slug,
-			'options' => $options
+			'slug'      => $slug,
+			'options'   => $options,
+			'iteration' => $iteration
 		],
 		'data' => [
 			'destinataires' => $destinataires,