[geeks] A puzzling mail error

[der Mouse]

> I should have remembered that you're on this list and checked 2821
> before posting. ;-)

I'll take that as a compliment.

I think. :-)

>>> "HELO [192.168.0.1]" is broken if received on an external interface
>>> that shouldn't be talking to anything in RFC 1918 space.
>> Is it?  I can't find anything that says the address embedded in an
>> address literal has to bear any particular relationship to the
>> address of any machine anywhere, [...]
> Hmmm, lemme go fish.  Here's what I think I know: if a host HELOs
> with the address literal, it should be the address of the interface
> from which the connection's been intiated.

It should be, I agree.  However, I don't think it even SHOULD be, much
less MUST be, de jure.

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