Re: [Exim] HELO acl

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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.


What's an RFC 1918 IP?