I don't know if it's a 4.x problem. I'm using Exim 3.34 and works fine.
Only accept mail after a valid HELO/EHLO command
----- Original Message -----
From: "Greg A. Woods" <woods@???>
To: <exim-users@???>
Sent: Wednesday, August 21, 2002 3:51 PM
Subject: Re: [Exim] HELO syntax check
> [ On Wednesday, August 21, 2002 at 14:48:55 (+0100), Philip Hazel wrote: ]
> > Subject: Re: [Exim] HELO syntax check
> >
> > I guess I was "being liberal in what I accepted" when I coded Exim so as
> > not to require HELO before accepting a message. This was copied from
> > Smail, IIRC.
>
> Possibly, but smail's been rejecting "MAIL FROM:" after a bad HELO/EHLO
> by default for a very long time now (mid-1997) (though only recently
> have the syntax checks actually become significantly complete -- there
> main check has been to verify the source address matches the right-hand
> value of any DNS A RR for the hostname, or the value of a domain literal
> interpreted as an IP address). Many people who couldn't seem to see
> past the end of their own noses at the time the feature was first
> introduced are now (or at least were for some time) Exim users
> apparently only because the checks were enabled by default. (I can't
> believe any of them were too incompetent to change the setting if they
> didn't want to enable the checks -- I'm sure most could even have
> changed the default setting when they compiled the code if that had been
> their desire since it's never actually been hard-coded.... :-)
>
> --
> Greg A. Woods
>
> +1 416 218-0098; <g.a.woods@???>;
<woods@???>
> Planix, Inc. <woods@???>; VE3TCP; Secrets of the Weird
<woods@???>
>
> --
>
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