I have been using this rom for many months now, more than likely a day or so since the release of 1.6. I have ZERO issues with this rom. Everything works perfectly on the beginning I remember pic mail didn't want to send right away but that has since corrected itself. I have also used the reg editor and got rid of the SMS 160 limit mess. That works great too. I would check your phone for water damage and if no water damage flash back to the stock sprint rom. Than hard reset and than re-flash the rom and once it's loaded hard reset it again. Try that and if you still have issues I would flash to stock and go warranty your device. Best of luck!
I think your problem might be the "monitoring systems" you mentioned in your first post. I don't know what that is, but maybe it's the reason?
I honestly don't know what that is, but if I'm extrapolating correctly: your email-to-text messages go to it, then to your phone? If so, maybe something it's doing is turning them into little reboot-messages....
I'm seriously at a loss, especially considering that you seem to be the only one with this issue. I recommend trying what steveoski111 suggested above. Sorry.