SpamTitan Technologies now support running SpamTitan software on 64-bit machines. SpamTitan is one of the first vendors to provide 64-bit support for virtual computing allowing ISPs the opportunity to extend their offerings.Running SpamTitan on a 64bit processor allows for higher performance than is achievable with 32-bit processors, it also allows users to increase the memory above the 3.5GB limit set by 32-bit processors.