Running Transaction
Updating : 2:postfix-3.1.3-1.efa.el6.x86_64 1/2
warning: /etc/postfix/header_checks created as /etc/postfix/header_checks.rpmnew
warning: /etc/postfix/main.cf created as /etc/postfix/main.cf.rpmnew
warning: /etc/postfix/transport created as /etc/postfix/transport.rpmnew