diff --git a/dev/compose.yaml b/dev/compose.yaml
index 13a79d7..368fc7b 100644
--- a/dev/compose.yaml
+++ b/dev/compose.yaml
@@ -29,11 +29,11 @@ services:
       GITEA__server__SSH_PORT: 22
       GITEA__server__SSH_LISTEN_PORT: 2222
       GITEA__mailer__ENABLED: true
-      GITEA__mailer__PROTOCOL: smtp+starttls
-      GITEA__mailer__SMTP_ADDR: ${SMTP_HOST}
-      GITEA__mailer__SMTP_PORT: ${SMTP_PORT}
-      GITEA__mailer__USER: ${SMTP_USER}
-      GITEA__mailer__PASSWD: ${SMTP_PASSWORD}
+      GITEA__mailer__PROTOCOL: smtps
+      GITEA__mailer__SMTP_ADDR: ${EMAIL_SMTP_HOST}
+      GITEA__mailer__SMTP_PORT: ${EMAIL_SMTP_PORT}
+      GITEA__mailer__USER: ${EMAIL_SMTP_USER}
+      GITEA__mailer__PASSWD: ${EMAIL_SMTP_PASSWORD}
       GITEA__mailer__FROM: ${EMAIL_FROM}
       GITEA__service__DISABLE_REGISTRATION: false
       GITEA__service__REQUIRE_SIGNIN_VIEW: false