Maybe is because the mail is sent by .apphosting.bounces.google.com
Headers:
from: Capitulizer Mighty Bot botman@capitulizer.appspotmail.com via 2uix4h7xygsz66weerlq.apphosting.bounces.google.com
to: wakaru himura wakaru44@gmail.com
date: 27 November 2012 08:48
subject: New Episode Available to Watch
mailed-by: 2uix4h7xygsz66weerlq.apphosting.bounces.google.com
Maybe is because the mail is sent by.apphosting.bounces.google.com
Headers:
from: Capitulizer Mighty Bot botman@capitulizer.appspotmail.com via 2uix4h7xygsz66weerlq.apphosting.bounces.google.com to: wakaru himura wakaru44@gmail.com date: 27 November 2012 08:48 subject: New Episode Available to Watch mailed-by: 2uix4h7xygsz66weerlq.apphosting.bounces.google.com