diff --git a/asciinema/compose.yaml b/asciinema/compose.yaml
index 1d913f5..c5ae751 100644
--- a/asciinema/compose.yaml
+++ b/asciinema/compose.yaml
@@ -16,8 +16,8 @@ services:
       SMTP_USERNAME: ${EMAIL_SMTP_USER}
       SMTP_PASSWORD: ${EMAIL_SMTP_PASSWORD}
       SMTP_FROM_ADDRESS: ${EMAIL_FROM}
-      SMTP_PORT: 587
-      SMTP_TLS: never
+      SMTP_PORT: 465
+      SMTP_SSL: true
       SIGN_UP_DISABLED: ${ASCIINEMA_SIGN_UP_DISABLED:-false}
       DEFAULT_AVATAR: gravatar
     labels: