With blackberry, everything goes from phone service provider direct to blackberry's datacenter(s) then on to the Internet.
Whereas every body elses phone goes from phone service provider direct to Internet.
This single point of failure should have been considered a design flaw, but rather they market it as improved service and security - I'm glad the ruse is coming to light for more sysadmins that fell trap to this. I won't miss you RIM, nor your expensive, overpriced bloat-ware that had to be installed server-side.
Learn to use Exchange which has built-in mobile syncing capability or Google Apps which offers the same via Exchange emulation of sorts: »www.google.com/mobile/sync/