install postfix with postgresql support in centos 5

Download the RPM from the following link - 

#wget http://mirror.centos.org/centos/5/centosplus/i386/RPMS/postfix-2.3.3-2.1.centos.mysql_pgsql.i386.rpm

#rpm -ivh postfix-2.3.3-2.1.centos.mysql_pgsql.i386.rpm

done :)

check for postgresql support -

#postconf -m|grep pgsql

pgsql