diff --git a/templates/docker-compose.j2 b/templates/docker-compose.j2
index 2b1afbd..5732903 100644
--- a/templates/docker-compose.j2
+++ b/templates/docker-compose.j2
@@ -17,7 +17,7 @@ services:
         gitlab_rails['smtp_password'] = '{{ smtp_password }}'
         gitlab_rails['smtp_authentication'] = 'login'
         gitlab_rails['smtp_enable_starttls_auto'] = true
-        gitlab_rails['smtp_tls'] = true
+        gitlab_rails['smtp_tls'] = false
         gitlab_rails['smtp_openssl_verify_mode'] = 'peer'
         user['git_user_email'] = '{{ smtp_username }}'
     ports: