Author: William Thompson Date: To: Suresh Ramasubramanian CC: exim-users Subject: Re: [Exim] HELO acl
> > I'm not sure about HELOs that are IPs. How many legit email would be > > blocked by that?
>
> a lot - and several listservs I saw (running lsoft listserv) even helo as an
> RFC1918 IP. :(
>
> pity - it makes excellent filter fodder otherwise.