Author: Jeremy Harris Date: To: exim-users @ exim. org Subject: Re: [exim] Setup for authenticated submission
Bill Hacker wrote: >> However, and this is the important point, looking for multiple different
>> HELO values from a single ip is a _MASSIVELY_ effective way of detecting
>
>
> apparent ? potential ?
You're slightly too terse for me to tell exactly what you're asking here.
However, looking for multiple HELO names claimed by one source IP
certainly works for us.