diff --git a/css/gamumail.css b/css/gamumail.css
index 83b76dd..2d72a1d 100644
--- a/css/gamumail.css
+++ b/css/gamumail.css
@@ -20,14 +20,17 @@
 	overflow: hidden;
 	margin: 3px 0;
 }
+
 .tag-editor div {
 	float: left;
 	padding: 0 4px;
 }
+
 .tag-editor .placeholder {
 	padding: 0 8px;
 	color: #bbb;
 }
+
 .tag-editor .tag-editor-spacer {
 	padding: 0;
 	width: 8px;
@@ -35,6 +38,7 @@
 	color: transparent;
 	background: none;
 }
+
 .tag-editor input {
 	vertical-align: inherit;
 	border: 0;
@@ -50,15 +54,18 @@
 	background: none;
 	color: #444;
 }
+
 /* hide original input field or textarea visually to allow tab navigation */
 .tag-editor-hidden-src {
 	position: absolute !important;
 	left: -99999px;
 }
+
 /* hide IE10 "clear field" X */
 .tag-editor ::-ms-clear {
 	display: none;
 }
+
 /* tag style */
 .tag-editor .tag-editor-tag {
 	/*padding-left: 5px; color: #46799b; background: #e0eaf1; white-space: nowrap;*/
@@ -71,6 +78,7 @@
 	cursor: pointer;
 	border-radius: 4px 0 0 4px;
 }
+
 /* delete icon */
 /*.tag-editor .tag-editor-delete { background: #e0eaf1; cursor: pointer; border-radius: 0 2px 2px 0; padding-left: 3px; padding-right: 4px; }*/
 .tag-editor .tag-editor-delete {
@@ -80,10 +88,12 @@
 	padding-left: 3px;
 	padding-right: 4px;
 }
+
 .tag-editor .tag-editor-delete i {
 	line-height: 18px;
 	display: inline-block;
 }
+
 /*.tag-editor .tag-editor-delete i:before { font-size: 16px; color: #8ba7ba; content: "×"; font-style: normal; }*/
 .tag-editor .tag-editor-delete i:before {
 	font-size: 16px;
@@ -91,14 +101,17 @@
 	content: '×';
 	font-style: normal;
 }
+
 .tag-editor .tag-editor-delete:hover i:before {
 	color: #d65454;
 }
-.tag-editor .tag-editor-tag.active + .tag-editor-delete,
-.tag-editor .tag-editor-tag.active + .tag-editor-delete i {
+
+.tag-editor .tag-editor-tag.active+.tag-editor-delete,
+.tag-editor .tag-editor-tag.active+.tag-editor-delete i {
 	visibility: hidden;
 	cursor: text;
 }
+
 .tag-editor .tag-editor-tag.active {
 	background: none !important;
 }
@@ -111,9 +124,11 @@
 	cursor: default;
 	font-size: 14px;
 }
+
 .ui-front {
 	z-index: 9999;
 }
+
 .ui-menu {
 	list-style: none;
 	padding: 1px;
@@ -121,21 +136,26 @@
 	display: block;
 	outline: none;
 }
+
 .ui-menu .ui-menu-item a {
 	text-decoration: none;
 	display: block;
 	padding: 2px 0.4em;
 	line-height: 1.4;
-	min-height: 0; /* support: IE7 */
+	min-height: 0;
+	/* support: IE7 */
 }
+
 .ui-widget-content {
 	border: 1px solid #bbb;
 	background: #fff;
 	color: #555;
 }
+
 .ui-widget-content a {
 	color: #46799b;
 }
+
 .ui-widget-content .ui-state-hover,
 .ui-widget-header .ui-state-hover,
 .ui-state-focus,
@@ -143,6 +163,7 @@
 .ui-widget-header .ui-state-focus {
 	background: #e0eaf1;
 }
+
 .ui-helper-hidden-accessible {
 	display: none;
 }
@@ -151,47 +172,65 @@
 .formulaire_gamumail {
 	padding-top: 0;
 }
+
 .formulaire_gamumail .editer {
 	padding-top: 0;
 }
+
 .editer_pour {
 	display: flex;
 }
+
 .editer_pour label {
 	width: 50px;
 }
+
+.editer_envoi_separe {
+	display: flex;
+}
+
 .editer_cc {
 	display: flex;
 }
+
 .editer_cc label {
 	width: 50px;
 }
+
 .editer_cci {
 	display: flex;
 }
+
 .editer_cci label {
 	width: 50px;
 }
+
 .reponse_formulaire {
 	padding: 1rem;
 	margin-bottom: 2rem;
 	font-weight: bold;
 }
-.reponse_formulaire_erreur, .editer .erreur_message {
+
+.reponse_formulaire_erreur,
+.editer .erreur_message {
 	background-color: #f7d1d1;
 	border: solid 2px #f00;
 	display: block;
 }
+
 .reponse_formulaire_ok {
 	background-color: #c4ecd6;
-	border: solid 2px #080;	
+	border: solid 2px #080;
 }
+
 .remplacements_slugs {
 	margin-top: 3rem;
 }
+
 .formulaire_gamumail .boutons {
 	margin-top: 3rem;
 }
+
 .formulaire_gamumail .btn {
 	font-size: 3rem;
 }
diff --git a/formulaires/gamumail.html b/formulaires/gamumail.html
index 5309bcd..d4262d7 100644
--- a/formulaires/gamumail.html
+++ b/formulaires/gamumail.html
@@ -29,6 +29,25 @@
 				<input required type="text" class="text tagEditor" name="#GET{name}" id="#GET{name}" value="#ENV{#GET{name}}" >
 			</div>
 		</div>
+		<BOUCLE_test(CONDITION){si #ENV{envoi_separe}|oui}>
+			<div class="editer_groupe">
+				#SET{name,envoi_separe}
+				#SET{erreurs,#ENV**{erreurs}|table_valeur{#GET{name}}}
+				#SET{obli,"obligatoire"}
+				<div class="editer editer_[(#GET{name})][ (#GET{obli})][ (#GET{erreurs}|oui)erreur]">
+					<label> Envoi séparé (1 mail par destinataire)</label>
+					<div class="choix">
+						<input type="radio" class="radio" name="#GET{name}" value="" id="#GET{name}_non"[ (#ENV{#GET{name}}|non|?{checked="checked"})] >
+						<label for="#GET{name}_non">Non</label>
+					</div>
+					<div class="choix">
+						<input type="radio" class="radio" name="#GET{name}" value="oui" id="#GET{name}_oui"[ (#ENV{#GET{name}}|=={oui}|?{checked="checked"})] >
+						<label for="#GET{name}_oui">Oui</label>
+					</div>
+				</div>
+			</div>
+		</BOUCLE_test>
+
 
 		<div class="editer_groupe">
 			#SET{name,cc}
diff --git a/formulaires/gamumail.php b/formulaires/gamumail.php
index c000e19..84d9312 100644
--- a/formulaires/gamumail.php
+++ b/formulaires/gamumail.php
@@ -69,12 +69,10 @@ function formulaires_gamumail_charger_dist($slug, $destinataires = 0, $Tclient =
 			$Tpdf = [$Tpdf];
 		}
 		foreach ($Tpdf as $id => $pdf) {
-			//$TFichierPdf[] = $pdf['fichier'];
 			$TFichierPdf[$id] = $pdf;
-			//$options[$id] = $pdf;
 		}
 	}
-//var_dump($Tcc);
+
 	$gamuMail = sql_fetsel('sujet, texte, id_docs', 'spip_gamumails', 'slug='.sql_quote($slug));
 	$valeurs = array(
 		"slug"         => $slug,
@@ -87,7 +85,8 @@ function formulaires_gamumail_charger_dist($slug, $destinataires = 0, $Tclient =
 		'Tpdfs_ok'     => [],
 		'docs_spip'    => $gamuMail['id_docs'] ?? '',
 		'Tid_fichiers' => [],
-		'options'      => $options
+		'options'      => $options,
+		'envoi_separe' => $options['envoi_separe'] ?? ''
 	);
 
 	// surcharges charger : d'abord les surcharges pour tous les slugs (tous_charge.php) puis les spécifiques par slug (nom_slug_charger.php)
@@ -201,21 +200,12 @@ function formulaires_gamumail_traiter_dist($slug, $destinataires = 0, $Tclient =
 	include_spip('inc/texte');
 	include_spip('classes/facteur');
 
-	$retour = array();
+	$retour = [];
 
-	$pour      = _request('pour');
-	$cc        = _request('cc');
-	$cci       = _request('cci');
-	$sujet     = _request('sujet');
-	$html      = propre(_request('texte'));
-	$docs_spip = _request('docs_spip');
-	$Tpdfs_ok  = _request('Tpdfs_ok');
-	$Tid_doc   = _request('Tid_doc');
-	$texte     = facteur_mail_html2text($html);
+	$envoi_separe = _request('envoi_separe') ?? '';
 
+	$pour = _request('pour');
 	$pour = explode(',', $pour);
-	$cc   = explode(',', $cc);
-	$cci  = explode(',', $cci);
 
 	$destinataires = [];
 	foreach ($pour as $dest) {
@@ -223,12 +213,56 @@ function formulaires_gamumail_traiter_dist($slug, $destinataires = 0, $Tclient =
 			if ($mail = sql_getfetsel('email', 'spip_auteurs', 'id_auteur='.$dest)) {
 				$destinataires[] = $mail;
 			}
-		}
-		elseif (email_valide($dest)) {
+		} elseif (email_valide($dest)) {
 			$destinataires[] = $dest;
 		}
 	}
 
+	if (empty($envoi_separe)) {
+		gamuSend($slug, $options, $destinataires, $Tclient, $Tpdf, $redirect, $retour);
+	} else {
+		$ok = true;
+		foreach ($destinataires as $d) {
+			$r = gamuSend($slug, $options, [$d], $Tclient, $Tpdf, $redirect);
+			if (!$r) {
+				$ok = false;
+			}
+		}
+		if (!$ok) {
+			$retour['message_erreur'] = _T("gamumail:erreur_envoi_mail");
+		}
+		else {
+			$retour['message_ok'] = _T('gamumail:mail_envoye');
+
+			// dans le retour message_ok ajouter que le gamumail est OK
+			$retour['message_ok'] .= '@@gamumail_ok';
+		}
+	}
+
+
+	if ($redirect AND $redirect != '') {
+		$retour['redirect'] = $redirect;
+	}
+
+	return $retour;
+}
+
+
+function gamuSend($slug, $options, $destinataires, $Tclient, $Tpdf, $redirect, &$retour = []) {
+
+	$cc        = _request('cc');
+	$cci       = _request('cci');
+
+	$cc   = explode(',', $cc);
+	$cci  = explode(',', $cci);
+
+	$sujet     = _request('sujet');
+	$html      = propre(_request('texte'));
+	$docs_spip = _request('docs_spip');
+	$Tpdfs_ok  = _request('Tpdfs_ok');
+	$Tid_doc   = _request('Tid_doc');
+	$texte     = facteur_mail_html2text($html);
+
 	$pieces_jointes = [];
 	if ($f = charger_fonction('traiter_av_pdf', 'gamumail', true)) {
 		$options = $f($options, $destinataires, $Tclient, $Tpdf);
@@ -399,9 +433,5 @@ function formulaires_gamumail_traiter_dist($slug, $destinataires = 0, $Tclient =
 		}
 	}
 
-	if ($redirect AND $redirect != '') {
-		$retour['redirect'] = $redirect;
-	}
-
-	return $retour;
+	return $ok;
 }