That is correct. It will sit in your outbox until the user you sent it to reads it.
It appears you are doing everything correctly.
Intel i7 950 @ 3.9 GHz
MSI 560 Ti Twin Frozr x2 SLI @ 950 mhz
6 GB of Corsair memory (timings unknown atm)
H50 CPU cooler
3dMark11 P7800 at stock speed, P8643