Am 15.06.2010 09:08, schrieb Niki Kovacs: > Dan Burkland a écrit : >> Is there anyway I can disable sendmail on my various machines and configure mailx on them to utilize my Postfix SMTP server? > > CentOS contains an utility to do just that. > > # yum install postfix system-switch-mail > > # system-switch-mail > > --> replace Sendmail by Postfix > > That's it. > > Cheers, > > Niki That will just replace one MTA by another. The OP wants to use a central mail hub, an external already setup Postfix server as his relay. Alexander