diff --git a/mobilizon.yaml b/mobilizon.yaml
index 7089aa9..89b8ecc 100644
--- a/mobilizon.yaml
+++ b/mobilizon.yaml
@@ -21,7 +21,7 @@ services:
       - MOBILIZON_SMTP_PORT=${SMTP_PORT}
       - MOBILIZON_SMTP_USERNAME=${SMTP_USER}
       - MOBILIZON_SMTP_PASSWORD=${SMTP_PASSWORD}
-      - MOBILIZON_SMTP_SSL=true
+      - MOBILIZON_SMTP_SSL=false
       - MOBILIZON_DATABASE_USERNAME=mobilizon
       - MOBILIZON_DATABASE_PASSWORD=mobilizon
       - MOBILIZON_DATABASE_DBNAME=mobilizon