Re: [Exim] rejecting mail to system accounts from outside

reed@??? (Jeremy C. Reed) [Wednesday, August 14, 2002 6:08 AM]:

> Some spammers send mail to system accounts like sync or usenet (often with
> forged sender with local hostname).
> Also, in most situations, mail to "root" would only originate from an
> organization's own systems.
> Anyone want to share ideas for rejecting mail that originates from remote
> mailer that are sent to system accounts, like news or sync?

Sendmail implements what you want like this -

http://www.sendmail.org/~ca/email/protected.html

    -srs