Enrico, scrivi da un indirizzo non esistente...
----- Forwarded message from Mail Delivery Subsystem <mailer-daemon@googlemail.com> -----
Date: Fri, 11 Oct 2013 10:24:57 +0000
From: Mail Delivery Subsystem <mailer-daemon@googlemail.com>
To: Sandro.Santilli@gmail.com
Subject: Delivery Status Notification (Failure)
Delivery to the following recipient failed permanently:
e.borghi@comune.arezzo.it
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain comune.arezzo.it by mx.comune.arezzo.it. [62.149.128.157].
The error that the other server returned was:
550 5.1.1 bmQw1m02j3rX0Ax01mQwxF Siamo spiacenti, non esiste nessun utente con questo nome / Sorry, no user here by that name