diff --git a/.env b/.env
index 6a6beae..8193e6f 100644
--- a/.env
+++ b/.env
@@ -19,7 +19,8 @@ GRAYLOG_TRANSPORT_EMAIL_ENABLED="true"
 GRAYLOG_TRANSPORT_EMAIL_HOSTNAME="czechman.de"
 GRAYLOG_TRANSPORT_EMAIL_PORT="465"
 GRAYLOG_TRANSPORT_EMAIL_USE_AUTH="true"
-GRAYLOG_TRANSPORT_EMAIL_USE_SSL="true"
+GRAYLOG_TRANSPORT_EMAIL_USE_SSL="false"
+GRAYLOG_TRANSPORT_EMAIL_USE_TLS="true"
 GRAYLOG_TRANSPORT_EMAIL_AUTH_USERNAME="McTvServer@czechman.de"
 GRAYLOG_TRANSPORT_EMAIL_AUTH_PASSWORD="rTg735UIRS6ZR-99EcLB"
 GRAYLOG_TRANSPORT_EMAIL_SUBJECT_PREFIX="[graylog]"
diff --git a/docker-compose.yml b/docker-compose.yml
index 080c595..9954831 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -40,6 +40,7 @@ services:
       GRAYLOG_TRANSPORT_EMAIL_HOSTNAME: ${GRAYLOG_TRANSPORT_EMAIL_HOSTNAME:?Please configure GRAYLOG_TRANSPORT_EMAIL_HOSTNAME in the .env file}
       GRAYLOG_TRANSPORT_EMAIL_PORT: ${GRAYLOG_TRANSPORT_EMAIL_PORT:?Please configure GRAYLOG_TRANSPORT_EMAIL_PORT in the .env file}
       GRAYLOG_TRANSPORT_EMAIL_USE_AUTH: ${GRAYLOG_TRANSPORT_EMAIL_USE_AUTH:?Please configure GRAYLOG_TRANSPORT_EMAIL_USE_AUTH in the .env file}
+      GRAYLOG_TRANSPORT_EMAIL_USE_TLS: ${GRAYLOG_TRANSPORT_EMAIL_USE_TLS:?Please configure GRAYLOG_TRANSPORT_EMAIL_USE_TLS in the .env file}
       GRAYLOG_TRANSPORT_EMAIL_USE_SSL: ${GRAYLOG_TRANSPORT_EMAIL_USE_SSL:?Please configure GRAYLOG_TRANSPORT_EMAIL_USE_SSL in the .env file}
       GRAYLOG_TRANSPORT_EMAIL_AUTH_USERNAME: ${GRAYLOG_TRANSPORT_EMAIL_AUTH_USERNAME:?Please configure GRAYLOG_TRANSPORT_EMAIL_AUTH_USERNAME in the .env file}
       GRAYLOG_TRANSPORT_EMAIL_AUTH_PASSWORD: ${GRAYLOG_TRANSPORT_EMAIL_AUTH_PASSWORD:?Please configure GRAYLOG_TRANSPORT_EMAIL_AUTH_PASSWORD in the .env file}