The interior of the accessibility via the Internet was not quite so simple. My router is not compatible with the autokoniguration. A little research has used it. Some knowledge of the configuration of port, IP address, firewall, etc. are required. Proposed dynDNS Service Synology I liked.
Other functions such as the mail server or the cloud function I have not yet tackled.
Overall, a nice solution that is relatively easy to get into operation.
