diff --git a/.env b/.env
index 2fb9e74..d5dd70a 100644
--- a/.env
+++ b/.env
@@ -12,7 +12,7 @@ TZ=Europe/Rome
 MAILER_ENABLED=1
 MAILER_HOST=smtp.gmail.com
 MAILER_PORT=587
-MAILER_SECURITY=tls
+MAILER_SECURITY=starttls
 MAILER_AUTH_USER=pyco.networking@gmail.com
 MAILER_AUTH_PASSWORD=gctunjuonvzdmxqi
 MAILER_NOREPLY_NAME=Joplin Server