diff --git a/server_files/classes/Team.php b/server_files/classes/Team.php
index 5c8c5b9..7f44498 100644
--- a/server_files/classes/Team.php
+++ b/server_files/classes/Team.php
@@ -70,7 +70,7 @@ class Team
 		return $team;
 	}
 
-	public static function getAllTeams($problem, $only_validated = false)
+	public static function getAllTeams($problem = -1, $only_validated = false)
 	{
 		global $DB, $YEAR;
 		$req = $DB->prepare("SELECT * FROM `teams` WHERE " . ($problem < 0 ? "" : "`problem` = ? AND ") . ($only_validated ? "`validation_status` = 'VALIDATED' AND " : "") .  "`year` = $YEAR;");
diff --git a/server_files/controllers/suivi_correspondances.php b/server_files/controllers/suivi_correspondances.php
index 5c3dcbc..290cfe9 100644
--- a/server_files/controllers/suivi_correspondances.php
+++ b/server_files/controllers/suivi_correspondances.php
@@ -121,4 +121,11 @@ if (isset($req)) {
 	}
 }
 
+$all_emails = [];
+foreach (Team::getAllTeams() as $team) {
+	if (Phase::getCurrentPhase() >= Phase::PHASE12 && $team->getSolution() == null)
+		continue;
+	$all_emails = array_merge($all_emails, $team->getAllEmails());
+}
+
 require_once "server_files/views/suivi_correspondances.php";
\ No newline at end of file
diff --git a/server_files/views/suivi_correspondances.php b/server_files/views/suivi_correspondances.php
index f542899..dfc91f0 100644
--- a/server_files/views/suivi_correspondances.php
+++ b/server_files/views/suivi_correspondances.php
@@ -24,6 +24,10 @@ if (sizeof($waiting_teams) > 0) { ?>
     </div>
 <?php } ?>
 
+    <a href="mailto:contact@correspondances-maths.fr?<? foreach ($all_emails as $email) echo "bcc=" . $email . "&" ?>subject=Correspondances de Jeunes Mathématicien·ne·s" target="_blank">
+        <button class="btn btn-block btn-primary">Envoyer un mail à tous les participants</button>
+    </a>
+
 <hr />
 
 <?php