diff --git a/formulaires/gamumail.php b/formulaires/gamumail.php
index 116834b..4afeb7c 100644
--- a/formulaires/gamumail.php
+++ b/formulaires/gamumail.php
@@ -553,6 +553,18 @@ function gamuSend($slug, $options, $destinataires, $Tclient, $Tpdf, $Tfiles, $re
 	$args['corps'] = $corps;
 	$args['sujet'] = $sujet;
 
+	[$destinataires, $sujet, $corps] = array_values(pipeline('gamumail_pre_envoi', [
+		'args' => [
+			'slug'    => $slug,
+			'options' => $options
+		],
+		'data' => [
+			'destinataires' => $destinataires,
+			'sujet'         => $sujet,
+			'corps'         => $corps,
+		]
+	]));
+
 	// envoyer !
 	$envoyer_mail = charger_fonction('envoyer_mail', 'inc/');
 	$ok = $envoyer_mail($destinataires, $sujet, $corps);
diff --git a/paquet.xml b/paquet.xml
index 9a528c5..c0c305c 100644
--- a/paquet.xml
+++ b/paquet.xml
@@ -24,6 +24,7 @@
 	<pipeline nom="post_gamumail_ok" action='' />
 	<pipeline nom="tpdf_charger_contexte" action='' />
 	<pipeline nom="gamumail_filtrer_tPDF" action='' />
+	<pipeline nom="gamumail_pre_envoi" action='' />
 
 	<pipeline nom="autoriser" inclure="gamumail_autorisations.php" />