To avoid any possible "misunderstanding", "fraud","deviation" or "Abuse". In Europe. service of process, either for internal purposes, European Purposes or for Email Database International foreign courts, is considered as a penetration of "Jurisdictional Power", when completed it is actually a "delegation of powers" to the server. In Europe. the monopoly of legal Email Database representation, actuation and consultation, has been given, traditionally and since middle ages, to the different "Legal Corporations". Private agents are excluded of these basic requirements.
The legal professional associations are those of "Huissiers de Justice","Procuradores", "Ufficiali Judiciario","Abogados Advogados Unlike common Email Database law countries where almost anyone mentaly capable can perform these "legal contents and jurisdictional acts". Please, know that only qualified legal professionals can serve properly and legally in Email Database most of Europe since are the only professionals, who can offer "Ex-lege" the required and necessary legal guarantees. Service by a "Agent" as known in common law does not exist in Europe nor in the Hague Convention, it has been used but this usage does not rises service by agents to a legal stage.
Logically explained: If any country's laws of Civil Procedure establishes for internal service of process, a procedure that requires guarantees of public trust; given Email Database only by the use qualified professionals, how come, for International Service, you can expect to use anyone? An agent? In conclusion: When in Rome, do as the Romans! We must Email Database distinguish between communications to the Central authority or with the Server and notification or service of process to the defendant.