I see now why you didn't get it, here is the mail I just got

The original message was received at 2012-01-01 15:52:50 +0100 from postoffice.(null) [10.0.0.1]

 

   ----- The following addresses had permanent fatal errors ----- <info@alessandromastronardi.com>

 

   -----Transcript of session follows ----- ... while talking to postoffice.(null).:

RCPT To:<info@alessandromastronardi.com>

<<< 550 5.1.1 unknown or illegal alias: info@alessandromastronardi.com 550 <info@alessandromastronardi.com>... User unknown