periodically email cannot be received and no error message received. Problem passed on to Verizon and Samsung with no known solution. Real problem is not knowing for sure when email is working correctly. Sending emails always works but test messages will not even go to device at times. Samsungs answer was maybe the Android 2.2 will fix the problem. Tried deleting accounts and re-adding, removing battery (works for a while), total reset and problem still comes back. Using a popmail through Yahoo and a hotmail account. Also have same problem deleting emails as mentioned previously in this forum.