Author: Andy Rabagliati Date: To: exim-users Subject: Re: [Exim] forged HELO/EHLO addresses
On Mon, 10 Nov 2003, Walt Reed wrote:
> Beyond that, I found very little checking of HELO that doesn't cause
> some false positives. In fact, Exim (correctly) denies host names with
> the underscore character - a check I found I had to disable due to the
> massive number of clueless non-conforming sites out there.