diff --git a/quadlets/modules/tmail-web/main.tf b/quadlets/modules/tmail-web/main.tf
index 2ac0748..89baf94 100644
--- a/quadlets/modules/tmail-web/main.tf
+++ b/quadlets/modules/tmail-web/main.tf
@@ -30,7 +30,7 @@ variable "server_url" {
 locals {
   env_file_host_path      = "/opt/storage/data/tmail-web/env.file"
   env_file_container_path = "/usr/share/nginx/html/assets/env.file"
-  env_file_content        = "SERVER_URL=${var.server_url}\n"
+  env_file_content        = "SERVER_URL=${var.server_url}\nDOMAIN_REDIRECT_URL=mail.${var.server_domain}\n"
 }
 
 resource "null_resource" "tmail_env_file" {