Re: [Exim] blocking fake yahoo and hotmail

Marc Haber writes on 11/29/2003 7:58 AM:

> On Fri, 21 Nov 2003 06:29:36 -0500, Suresh Ramasubramanian
> <linux@???> wrote:
>
>>If HELO yahoo.com comes from an IP with non yahoo rDNS, DENY - don't
>>waste time deferring it.
>
>
> Nice idea. Do you have that recipe in acl syntax for a cookbook?

The exim config.samples tarball has C049 (from a post I made to
exim-users) that shows how to block people HELO'ing as your-own-ip or
your-own-host

That can be trivially modified to do what you need.

    srs