Hello,
I contacted microsoft support.
Exchange 2013 will not accept email without email address in the header.
You can not change this setting.
I therefore ask to be able to implement in SmarterMail an email address in the notifications and reports.
GRAFFITI — It's Communication
Riva del Garda (TN), I-38066 – Località Pasina 46
Milano, I-20129 - via Lamberto De Bernardi 1
Verona, I-37134 - via Legnago 126
San Francisco, US-94111 California – 275 Battery St, Suite 2600
website: www.graffiti.it