I remember using "at cat mail and pipes " from my DMZ with a correctly configured postfix satellite. Thus requiring no additional login/pass to be stored. Ho

I remember using "at cat mail and pipes " from my DMZ with a correctly configured postfix satellite. Thus requiring no additional login/pass to be stored. Ho! It still should works. Reinvention of the wheel maybe? Or the wisdom of old sysadmins being forgotten in the maelstrom of devops culture?