[Mimedefang] filter-relay, rejection on bogus helo

[Lucas Albers]

Jonas Eckerman said:
> No. David pointed out one reason (NAT). Another reason is that one machine
> can have multiple IP-addresses. Applications on such a machine could well
> diplay one adress in HELO while actually connecting from another.

You could make the assumption that the helo (if an ip) string should match
the ip address on the first 3 octets of the address?
$helo = xxx.xxx.xxx = $ip = xxx.xxx.xxx


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Luke Computer Science System Administrator