Hi,
I agree. There is a working solution "right out of the box" with CentOS with either Postfix or Sendmail. I honestly don't understand why a couple of folks keep mentioning DJB's software tools when people ask about mail systems for CentOS. There is a reason those tools are not included with the distro. Ijez, if you want to email me offline, I'll try to help get you up and running.
Cheers,
I'm currently out of office for a couple of weeks.. thanks for your willing to give a hand. I'll try to contact you ones I back at works :)
Thanks In Advances,
Regards, ijez