[SC-Help] Re: Curious

[Steve Grosz]

Currently I use 2 lists:

sbl.spamhaus.org and relays.ordb.org, and still get quite a bit of spam, 
at least 25-30 in my inbox alone!

Is there a better list to be using?

Steve

John E. Malmberg wrote:
> Steve Grosz wrote:
> 
>> I'm curious, what good does reporting the spam to SpamCop actually do? 
>> Is there a RBL list that can be added to my email server that will 
>> help me?
> 
> 
> MAPS is claiming trademark on RBL, so the generic term has become DNSbl.
> 
> There is a bl.spamcop.net, but it may be too aggressive for use on a 
> production mailserver.  It is more useful in a scoring system.
> A spamcop.net listing is a high probability of spam, but not absolute.
> 
> Also, once a spam source makes it on to the more conservative DNSbls, 
> many spamcop.net reporters never see any more spam from that source to 
> report it, which may cause it to drop off of the spamcop.net list.
> 
> As you have not specified what you are currently using, there is no way 
> to advise you on what else is available.
> 
> There are well over 200 dnsbls out there, some with strict criteria, and 
> others that are slowly listing the entire internet, including anyone 
> that sends them an e-mail asking about their particular DNSbl.
> 
> In general people have reported that with a selected set of conservative 
> DNSbls, they can get from 80 to 95% spam rejection with pretty much no 
> false positives.
> 
> And by checking suspicious e-mail from I.P.s on aggressive lists, or 
> with defective rdns, for links that either do not resolve, or resolve to 
> I.P. addresses that are in the conservative DNSbls, reports are that 
> close to 100% of spam can be rejected with out impacting real e-mail.
> 
> Currently SpamAssassin 3.x as a Milter seems to be the only content 
> filter that can perform the URL lookup test.
> 
> -John
> wb8tyw at qsl.network
> Personal Opinion Only