Milter-greylist

We are working on compiling a list of known spam servers. Suprisingly, there 
are three known servers sending spam from legitimate MTAs in Australia, 
dumping out about 1/3rd of our australia-targeted spam. So yeah, theres a 
bunch of legit mail servers out there spamming. We are working on our 
blacklist contents, and will share it all with you guys as we proceed.

On Thursday 07 September 2006 01:59 am, Mart Pirita wrote:
> Tere.
>
>
> I have used few days custom code, ecode and message:
>
> acl greylist default delay 15m code "421" ecode "4.3.2" msg "overload"
>
> And noticed, that I did get more spam than before. The message isn't
> reason, that's for sure (I had this hard coded before also) but what
> about the code and ecode. Default hard coded code is 451 and ecode
> 4.7.1. Just changed back, but I', still wondering, have anyone noticed
> same situation or these codes isn't related to received spam amount and
> spammers are more and more using legal smtp servers?