[Mimedefang] Suggestions on rejecting relays that provide syntactically-invalid arguments to HELO/EHLO

[David F. Skoll]

On Fri, 23 May 2003, Michael Sims wrote:

>    -  The domain name given in the EHLO command MUST BE either a primary
>       host name (a domain name that resolves to an A RR) or, if the host
>       has no name, an address literal as described in section 4.1.1.1.
> ---/quote---

> Note that the word MUST appears twice in the above quote.

That's the EHLO command.  What if the client greets with HELO?  Hmm...
The nasty thing is that Milter has no way to find out if the client
used HELO or EHLO.

--
David.