context main { dnsbl local blackholes.five-ten-sg.com "Mail from %s rejected - local; see http://www.five-ten-sg.com/blackhole.php?%s"; dnsbl sbl sbl-xbl.spamhaus.org "Mail from %s rejected - sbl; see http://www.spamhaus.org/query/bl?ip=%s"; dnsbl xbl xbl.spamhaus.org "Mail from %s rejected - xbl; see http://www.spamhaus.org/query/bl?ip=%s"; dnsbl dul dul.dnsbl.sorbs.net "Mail from %s rejected - dul; see http://www.sorbs.net/lookup.shtml?%s"; dnsbl_list local sbl dul; content on { filter sbl-xbl.spamhaus.org "Mail containing %s rejected - sbl; see http://www.spamhaus.org/query/bl?ip=%s"; ignore { include "hosts-ignore.conf"; }; tld { include "tld.conf"; }; html_tags { include "html-tags.conf"; }; html_limit off; host_limit soft 20; }; env_to { example.com; # !! replace this with your domain name # child contexts are not allowed to specify recipient addresses outside these domains }; context whitelist { content off {}; env_to { # dcc_to ok { include "/var/dcc/whitecommon"; }; }; env_from white {}; # white forces all unmatched from addresses (everyone in this case) to be whitelisted # so all mail TO these env_to addresses is accepted }; context abuse { dnsbl_list xbl; content off {}; env_to { abuse@ # no content filtering on abuse reports postmaster@ # "" }; env_from unknown {}; # ignore all parent white/black listing }; context minimal { dnsbl_list sbl dul; content on {}; env_to { }; }; context blacklist { env_to { # dcc_to many { include "/var/dcc/whitecommon"; }; }; env_from black {}; # black forces all unmatched from addresses (everyone in this case) to be blacklisted # so all mail TO these env_to addresses is rejected }; env_from unknown { abuse@ abuse; # replies to abuse reports use the abuse context # dcc_from { include "/var/dcc/whitecommon"; }; }; };