Now you have problems with ISPConfig You need fix this, if not you will have problems. When you reboot, go to ISPConfig and modify hostname in: System -> Server Config -> click on your server -> hostname on server tab System -> Server services -> servername
In /etc/postfix/main.cf myhostname = whatever.goandfixsvr.com myorigin = /etc/mailname mydestination = whatever.goandfixsvr.com, localhost, localhost.localdomain In /etc/mailname whatever.goandfixsvr.com