diff --git a/docker-compose.yml b/docker-compose.yml
index d55cb402..dd6dd787 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5946,6 +5946,7 @@ services:
       SIGNOZ_ALERTMANAGER_SIGNOZ_GLOBAL_SMTP__AUTH__USERNAME: ${POSTAL_SMTP_AUTH_USER}
       SIGNOZ_ALERTMANAGER_SIGNOZ_GLOBAL_SMTP__AUTH__PASSWORD: ${POSTAL_SMTP_AUTH_PASSWORD}
       SIGNOZ_ALERTMANAGER_SIGNOZ_GLOBAL_SMTP__REQUIRE__TLS: true
+      SIGNOZ_ALERTMANAGER_SIGNOZ_GLOBAL_SMTP__TLS__CONFIG_INSECURE__SKIP__VERIFY: true
       DASHBOARDS_PATH: /root/config/dashboards
       STORAGE: clickhouse
       GODEBUG: netdns=go