> At present, I have to compile MySQL support into Postfix myself with > CentOS 4 pointing at the default yum repository(ies). I don't mind > doing this, but it would be nice to have a postfix-mysql RPM available. impossible. mysql_table support is not external to the binaries so you cannot create a postfix-mysql rpm that just holds the mysql_table support binaries like say cyrus-sasl You will need a repository that holds a postfix rpm that has mysql support compiled in.