Do you use an iPhone 4 or iPhone running 4 OS and Sync it to KLZ Mail??
There is an important update to all users of the iPhone 4 Operating System who sync mail on the KLZ. You may have recently purchased a new iPhone 4 phone or have updated your 3G or 3GS product using Software Update in iTunes.
The new software version may cause problems syncing your mail, contacts or calendars.
We strongly recommend you make an update to your software by visiting this link on your iPhone:
http://support.apple.com/kb/TS3398
now fixed with IOS Update 4.01