diff --git a/stack.production.yml b/stack.production.yml
index 80da701..6eee9ad 100644
--- a/stack.production.yml
+++ b/stack.production.yml
@@ -6,7 +6,7 @@ x-environment:
   DATABASE_URL: postgres://postgres:postgres@glitch_postgres:5432/postgres
   SECRET_KEY: 4f99181d528f201c16806b34b980791f9a99570d645910dacfe31198b503ea2f # best to run openssl rand -hex 32
   PORT: 8000
-  EMAIL_URL: smtp://glitch@nixc.us:G2BeHLDezu2Eg8x5aDy8MZ3RTLJoP6xJyvwDnFDMCrFxe7AWW5mAst96zvkcDq3R@box.p.nixc.us:587 # https://glitchtip.com/documentation/install#configuration
+  EMAIL_URL: smtp+tls://glitch@nixc.us:G2BeHLDezu2Eg8x5aDy8MZ3RTLJoP6xJyvwDnFDMCrFxe7AWW5mAst96zvkcDq3R@box.p.nixc.us:587 # https://glitchtip.com/documentation/install#configuration
   GLITCHTIP_DOMAIN: https://glitch.nixc.us # Change this to your domain
   DEFAULT_FROM_EMAIL: glitch@nixc.us # Change this to your email
   CELERY_WORKER_CONCURRENCY: 2 # Set to 2 to prevent excessive memory usage. Change it or remove to set it to the number of cpu cores.