On Feb 16,  1:51pm, "Heiko W.Rupp" wrote:
} 
} [btw. 8.9.3 is out]
} 
} I wonder if we should ship our sendmail.cf with some anti spam stuff enabled
} At least this 8.8.8 that came with 1.3.3/sparc seems to be wide open ..

     8.9.x comes with anti-spam stuff (including denying relaying)
enabled by default.

} We should perhaps deny relaying and perhaps also accepting mail from
} hosts that have no valid mx or such.

     Absolutely NOT, this is completely bogus.  MX records indicate
machines that are intended to receive mail, NOT one's that are
intended to send mail.

}-- End of excerpt from "Heiko W.Rupp"