I know that exchange 2003 will only use 3 GB of memory, so if I install 8 GB
of memory on my server, then my OS and virus software will utilize the rest
of the memory, thereby providing me with better performance?

I am looking at setting up two exchange 2007 servers on two sites and
I
would like to use SCR to create passive mailstores for each site. The
documentation covers the mailboxes fairly well but it doesnt make it