On Sun, 2007-02-11 at 23:09 -0600, Les Mikesell wrote: > you should: > yum install sendmail-cf > Then edit /etc/mail/sendmail.mc and remove the Addr=127.0.0.1 > restriction from the DAEMON_OPTIONS line and restart sendmail. I wouldn't *simply* do just that. I'd also check what other options are set. You don't want to become an open relay, or get deluged with spam just on your own system.