From Grey.. To White spamd records the ip, from, and to for each greylisted connection attempts. GREY|200.104.108.96|||1115735170|1115749570|1115749570|1|0 GREY|218.1.136.171|||1115745201|1115759601|1115759601|5|0 Once these connections are retried successfully, they are whitelisted and added to the pf-table WHITE|137.122.6.44|||1096464031|1096466194|1118859642|4|6798 WHITE|137.122.6.58|||1094664190|1094664190|1118858967|1|6360 The spamdb(8) command can be used to list, add and delete from this database.