| The silent network: denying the spam and malware chatter using free tools: BSDCan, Ottawa, May 18th 2007 | ||
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/etc/pf.conf
table <spamd> persist
table <spamd-white> persist
rdr pass on $ext_if inet proto tcp from <spamd> to { $ext_if, $int_if:network } port smtp -> 127.0.0.1 port 8025
rdr pass on $ext_if inet proto tcp from !<spamd-white> to { $ext_if, $int_if:network } port smtp -> 127.0.0.1 port 8025Essential data in the spamd and spamd-white tables