diff --git a/asciinema/compose.yaml b/asciinema/compose.yaml
index d19c4ac..9996700 100644
--- a/asciinema/compose.yaml
+++ b/asciinema/compose.yaml
@@ -18,8 +18,7 @@ services:
       SMTP_PORT: 587
       SMTP_USERNAME: ${EMAIL_SMTP_USER}
       SMTP_PASSWORD: ${EMAIL_SMTP_PASSWORD}
-      SMTP_TLS: if_available
-      SMTP_SSL: false
+      SMTP_TLS: never
       MAIL_FROM_ADDRESS: ${EMAIL_FROM}
       SIGN_UP_DISABLED: ${ASCIINEMA_SIGN_UP_DISABLED:-false}
       DEFAULT_AVATAR: gravatar