Hi yum can help you answer these questions. Try the command yum provides '*/postmap' On CentOS 6 this seems to be part of the postfix rpm so I think you have a larger issue somewhere If you run the command rpm -qa | grep postfix do you see the postfix rpm? or have you compiled postfix yourself ? On Tue, Mar 12, 2013 at 4:16 PM, Austin Einter <austin.einter at gmail.com>wrote: > Dear All > While setting up postfix, at one point I need to do > > postmap /etc/postfix/transport > > But I get the output as > > *bash: postmap: command not found* > > I was just wondering is it something I need to install separately. > > Thanks > Austin > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >