[Mimedefang] filter-relay, rejection on bogus helo

[Jonas Eckerman]

On Tue, 6 Jan 2004 00:32:42 -0700 (MST), Lucas Albers wrote:

>  Assuming the machine just has an ip address (no hostname) and it
>  gives a helo ip string, they should match in every valid situation?

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.

/Jonas

-- 
Jonas Eckerman, jonas_lists at frukt.org
http://www.fsdb.org/