Kshatriya wrote:
> On Tue, 14 Aug 2007, ram wrote:
>
>> The page says the primary MX should not be accepting connections at all.
>> Has anyone else tried this , will this cause delay in my mail

>
> It almost doesn't work anymore. Better try adaptive greylisting, with
> some whitelists so you don't notice too much of delays.
>
> K.
>
>


I'm using it on 1600 domains and it definitely works. I get not bot spam
at all. I didn't even know what PDF spam was untill I was it discussed here.