Mensaje RFC 822

RFC 822:

Received: (from joaquin@localhost) by colibri.dit.upm.es...
Date: Tue, 7 Jan 1997 12:50:37 +0100
From: Joaquin Seoane <joaquin@dit.upm.es>
Message-Id: <199701071150.MAA02005@colibri.dit.upm.es>
To: joaquin@colibri.dit.upm.es
Subject: probando

Hola