Added email setting

config/graylog/graylog.conf

@@ -383,3 +383,17 @@ prometheus_exporter_enabled = true
 # IP address and port for the Prometheus exporter HTTP server.
 # Default: 127.0.0.1:9833
 prometheus_exporter_bind_address = 127.0.0.1:9833
+
+#Email Settings
+transport_email_enabled = true
+transport_email_hostname = outbound.mailhop.org
+transport_email_port = 587
+transport_email_use_auth = true
+transport_email_use_tls = true
+transport_email_use_ssl = false
+transport_email_auth_username = xxxxx
+transport_email_auth_password = xxxxxx
+transport_email_subject_prefix = [graylog]
+transport_email_from_email = graylog@example.com
+transport_email_web_interface_url = https://graylog.example.com
+