Wirelessly posted (BlackBerry8700/4.1.0 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/102)

When I receive an email, a few minutes later I get this email:

This is an automatically generated Delivery Status Notification

THIS IS A WARNING MESSAGE ONLY.

YOU DO NOT NEED TO RESEND YOUR MESSAGE.

Delivery to the following recipient has been delayed:

kim.********@mycingular.blackbery.net

Message will be retried for 2 more day(s)

Technical details of temporary failure:
TEMP_FAILURE: DNS Error: Timeout while contacting DNS servers