diff --git a/conf/vaultwarden.env b/conf/vaultwarden.env
index 637c134..474fd3b 100644
--- a/conf/vaultwarden.env
+++ b/conf/vaultwarden.env
@@ -344,10 +344,10 @@ ROCKET_WORKERS=1
 ## Mail specific settings, set SMTP_HOST and SMTP_FROM to enable the mail service.
 ## To make sure the email links are pointing to the correct host, set the DOMAIN variable.
 ## Note: if SMTP_USERNAME is specified, SMTP_PASSWORD is mandatory
-SMTP_HOST=127.0.0.1
+SMTP_HOST=__DOMAIN__
 SMTP_FROM=__APP__@__DOMAIN__
 SMTP_FROM_NAME=Vaultwarden
-SMTP_SECURITY=off
+SMTP_SECURITY=starttls
 SMTP_PORT=25
 SMTP_USERNAME=__APP__
 SMTP_PASSWORD=__MAIL_PWD__