1. The device manufacturer and model: Apple iPhone 4S 16GB
2. The device OS version: 6.1.3
3. The error your device provides when the device fails to sync: it simply doesn't sync and push emails.
4. The date that syncing started to fail: Aug 18th 2013
5. Your impacted email address (Optional:  The email address will not be displayed to protect your privacy.) *** Email address is removed for privacy ***