postscreen_dnsbl_whitelist_threshold = -2
postscreen_dnsbl_sites =
ix.dnsbl.manitu.net*2 sbl-xbl.spamhaus.org*2
- bl.spamcop.net dnsbl.sorbs.net bl.mailspike.net
+ bl.spamcop.net bl.mailspike.net
swl.spamhaus.org*-2 list.dnswl.org=127.0.[0..255].[0..254]*-2
postscreen_greet_action = enforce
postscreen_dnsbl_action = enforce