diff --git a/asciinema/compose.yaml b/asciinema/compose.yaml
index 72a5df1..b1de282 100644
--- a/asciinema/compose.yaml
+++ b/asciinema/compose.yaml
@@ -19,8 +19,10 @@ services:
       SMTP_USERNAME: ${EMAIL_SMTP_USER}
       SMTP_PASSWORD: ${EMAIL_SMTP_PASSWORD}
       SMTP_SSL: true
-      SMTP_RETRIES: 2
+      SMTP_AUTH: login
+      SMTP_RETRIES: 1
       SMTP_NO_MX_LOOKUPS: true
+      SMTP_ALLOWED_TLS_VERSIONS: tlsv1.2,tlsv1.3
       MAIL_FROM_ADDRESS: ${EMAIL_FROM}
       MAIL_REPLY_TO_ADDRESS: ${ASCIINEMA_MAIL_REPLY_TO}
       SIGN_UP_DISABLED: ${ASCIINEMA_SIGN_UP_DISABLED:-false}