Vytautas Kasparavicius wrote:
> Hello,
> Any comments on my blacklist. What must be included/excluded?
> 
> BLACKLISTS="-block=sbl-xbl.spamhaus.org,BLOCK

Use zen.spamhaus.org instead.

> -block=korea.services.net,BLOCK 
> -block=bl.spamcop.net,BLOCK

This used to have

> -block=combined.njabl.org,BLOCK 

Use dnsbl.njabl.org instead; zen.spamhaus.org contains the former 
dynablock.njabl.org.

> -block=dnsbl.sorbs.net,BLOCK

dnsbl.sorbs.net blocks a lot of ISP mailservers. If you're happy with 
that, keep it.

> -block=cbl.abuseat.org,BLOCK 

Drop this; it's part of xbl.spamhaus.org which is part of ZEN.

> -block=psbl.surriel.com,BLOCK

This may have significant false-positives, because it's spamtrap-driven.

> -block=spamguard.leadmon.net,BLOCK 

If this is still maintained it doesn't seem to be very useful.

> -block=blackholes.uceb.org,BLOCK"

This doesn't seem to exist.

I recommend you add list.dsbl.org; that has only hosts that have been 
proven to be abuseable and so is very reliable (and widely used).

http://www.sdsc.edu/~jeff/spam/cbc.html is a good site comparing DNSBL 
performance, but you MUST keep in mind that 'blocking a lot of mail' 
isn't the same as 'blocking spam, but not legitimate mail'.

Be sure to check the websites for the DNSBLs you use regularly.

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