[Leaplist] SPAMCOP.net

[Jason Boxman]

On Sunday 30 March 2008 12:22, John Simpson wrote:
<snip>
> for those who may be curious, i do use blacklists on my own server.
> the lists i use are, in the following order:
>
> 	zen.spamhaus.org
> 	dnsbl.njabl.org
> 	dnsbl.sorbs.net
> 	bl.spamcop.net
>
> i have found this combination to be VERY effective at reducing
> incoming spam... and because the server is configured to use a 4xx
> (i.e. "soft fail" error code) when refusing the messages, legitimate
> machines like phil's will try again after a few minutes/hours, and the
> message will be accepted after the blacklist removes the IP. (and all
> of these lists are good about removing IPs quickly, once they know the
> IP was listed by mistake.)

I do something like that, return a 4xx to any server with an IP on some of 
those BLs, and it's been working fairly well.  (In January a bunch of 
spammers were actually retrying, so I was getting tons of spam anyway; that 
seems to have mostly stopped since February.)