Thanks, Wietse and all my friend I just do the command: yum install openssl-perl When I test again still have the same wrong message I really need to read the two document thoroughly http://www.postfix.org/TLS_README.html http://www.postfix.org/TLS_LEGACY_README.html Thanks again! Have a good day!
Tom 2012/8/21 Wietse Venema <wie...@porcupine.org> > 2012/8/20 Wietse Venema <wie...@porcupine.org> > > > Please use the CA.pl script as described in TLS_README (on-line at > > > http://www/postfix.org/TLS_README.html). > > Feel Zhou: > > Thanks > > I read the web page > > http://www.postfix.org/TLS_README.html > > at the almost the last page. begin with > > Getting started, quick and dirty > > I do not have CA.pl in the centos system > > only can use openssl > > and the wrong command is also in the web page. > > yum install openssl-perl > > Wietse >