diff --git a/.env.example b/.env.example
index 5d3e7d4f78db..3f43511243f0 100644
--- a/.env.example
+++ b/.env.example
@@ -24,6 +24,7 @@ QUEUE_CONNECTION=sync
 SESSION_DRIVER=file
 SESSION_LIFETIME=120
 
+MAIL_MAILER=smtp
 REDIS_HOST=127.0.0.1
 REDIS_PASSWORD=null
 REDIS_PORT=6379