On this day, 01-February-2007 9:48 AM, Erik Espinoza wrote:
Very basic greylisting available here:
http://www.kabewm.com/?p=19
I recommend against greylisting in general as many spam appliances
and firewalls that people use as proxies for their Exchange server (or
other servers) do not handle error 4xx as temporary errors. Instead
they kick back an error to the user and reject all mail from those
sites. Sure they are not following the standard, but you're the one
that's going to hear about it and deal with troubleshooting sites with
little/no information.
Just an update on the greylisting.
I am using jgreylist from http://qmail.jms1.net/scripts/jgreylist.shtml.
It works wonders. Usually I get 70 spam a day. Now I get 5 spam a day.
You are right about some servers not following the standard. I will keep
using this until there is some major complaint.
So far I have been using greylisting for about a month.
Keeping my fingers crossed and hoping for the best.
P.V.Anthony
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