email with noname file

Hi.
I did a SMTP connection, the emails were ok in the last week but today when the process initiate the notifications to emails didn’t have message.

The SMTP connection and message.
https://drive.google.com/file/d/0B_q5vsTu977_emRJNm8wZlVWaXM/view

Email message.
https://drive.google.com/file/d/0B_q5vsTu977_SkN6UF9aTkNPa2s/view