Hi! Can I use on my SuSE 6.3 the postfix rpm extracted from version 6.4?

Thanks, Normando -- Normando [enemy] Marcolongo (iW6OWQ) [] normando@studenti.ing.uniroma1.it LUGRoma - IEEE S.B. Roma - ALU - ??? [] (AX.25) IW6OWQ@IW7BNO.IPUG.ITA.EU