This is the Symantec Mail Security program at host mail-in7.euro.apple.com.
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to <postmaster>
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The Symantec Mail Security program
<applestore.it@euro.apple.com>: host cork-mail.euro.apple.com[17.66.12.155]
said: 550 5.1.1 unknown or illegal alias:
applestore.it@euro.apple.com (in
reply to RCPT TO command)