In message <[email protected]>, 
Noel Jones <[email protected]> wrote:

>I use a pcre table to reject any HELO that starts with a bracket or
>looks like an IP. Legit hosts that use this form are very rare here
>-- maybe one every couple years.
>...
>There is  no built-in postfix restriction to compare the HELO to the
>client hostname, and I would question the value of such a feature.

Correct me if I'm wrong, but I think you just made the case for
the value of such a feature.

>Do you see lots of spam with incorrect IP in the HELO?

Some.

>Do you see
>significant numbers of legit hosts using a bracketed IP HELO?

None so far.


Regards,
rfg

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