32010 total connections, 17510 rejects
considering SMTP users with > 15 hits (150 hosts, 9048 connections, 1827 rejects)

Clean hosts: (0 rejects) (43)
70.103.162.31 # 1023 connects (murphy.debian.org)
209.132.176.167 # 754 connects (vger.kernel.org)
127.0.0.1 # 591 connects (localhost)
145.97.39.157 # 352 connects (lists.wikimedia.org)
213.214.98.20 # 254 connects (elnino.fastxs.net)
70.103.162.29 # 227 connects (master.debian.org)
62.160.32.10 # 151 connects (isis.idm.fr)
204.16.104.146 # 128 connects (sc157.sjc.collab.net)
213.144.138.186 # 99 connects (natsuki.mplayerhq.hu)
157.92.49.7 # 91 connects (musashi.fi.uba.ar)
195.184.125.51 # 79 connects (lists.grok.org.uk)
66.35.250.225 # 57 connects (lists-outbound.sourceforge.net)
217.196.43.134 # 54 connects (alioth.debian.org)
195.83.9.46 # 47 connects (etudserv.insa-toulouse.fr)
209.132.176.174 # 46 connects (sourceware.org)
62.210.111.212 # 43 connects (omega.fullsix.com)
138.195.130.71 # 37 connects (krishna.via.ecp.fr)
199.232.76.165 # 33 connects (lists.gnu.org)
140.105.134.102 # 26 connects (lists.gentoo.org)
130.57.169.22 # 26 connects (galactus.ximian.com)
66.33.216.104 # 23 connects (diego.dreamhost.com)
85.237.38.13 # 21 connects (host-85-237-38-13.dsl.sura.ru)
91.92.207.46 # 20 connects (unknown)
58.186.197.134 # 20 connects (unknown)
200.121.160.233 # 20 connects (unknown)
124.157.150.155 # 20 connects (unknown)
85.140.82.216 # 20 connects (ppp85-140-82-216.pppoe.mtu-net.ru)
85.140.15.207 # 20 connects (ppp85-140-15-207.pppoe.mtu-net.ru)
58.8.239.246 # 20 connects (ppp-58.8.239.246.revip2.asianet.co.th)
71.103.110.99 # 20 connects (pool-71-103-110-99.lsanca.dsl-w.verizon.net)
201.88.81.146 # 20 connects (201-88-81-146.cpece700.dsl.brasiltelecom.net.br)
200.126.83.9 # 20 connects (200-126-83-9.bk6-dsl.surnet.cl)
87.98.204.151 # 19 connects (www.uniways.fr)
66.35.250.206 # 19 connects (lists.sourceforge.net)
59.183.35.146 # 18 connects (unknown)
201.240.32.86 # 18 connects (unknown)
91.189.94.204 # 18 connects (chlorine.canonical.com)
61.141.151.39 # 16 connects (unknown)
58.8.126.28 # 16 connects (ppp-58.8.126.28.revip2.asianet.co.th)
83.28.167.215 # 16 connects (bjz215.neoplus.adsl.tpnet.pl)
92.112.211.139 # 15 connects (unknown)
217.144.50.13 # 15 connects (syriana.asyd.net)
62.4.17.103 # 15 connects (smtp-103-wednesday.noc.nerim.net)

Mostly clean hosts: (<20% rejects) (6)
202.45.161.167 # 1/1545 rejects (www.tokyoartbeat.com)
138.195.130.75 # 1/523 rejects (durga.via.ecp.fr)
41.233.102.233 # 9/50 rejects (unknown)
196.212.40.158 # 4/49 rejects (unknown)
91.124.236.48 # 1/38 rejects (48-236-124-91.pool.ukrtel.net)
219.131.149.238 # 3/20 rejects (unknown)

Unknown hosts: (34)
87.126.3.198 # 51/54 rejects (87-126-3-198.btc-net.bg)
91.90.114.24 # 45/53 rejects (pc-114-24.strong-pc.com)
193.226.18.215 # 41/51 rejects (b1.valahia.ro)
64.142.28.227 # 37/50 rejects (dmz.lespinasse.org)
89.171.13.62 # 46/46 rejects (ip-89.171.13.62.crowley.pl)
66.66.81.195 # 45/45 rejects (cpe-66-66-81-195.rochester.res.rr.com)
208.54.94.2 # 21/39 rejects (m025e36d0.tmodns.net)
213.203.244.150 # 10/38 rejects (vd.cheramy.net)
201.32.132.114 # 29/38 rejects (20132132114.user.veloxzone.com.br)
87.248.68.145 # 30/37 rejects (static-ip-87-248-68-145.promax.media.pl)
77.181.144.254 # 26/27 rejects (gtng-4db590fe.pool.einsundeins.de)
87.29.19.74 # 19/24 rejects (host74-19-static.29-87-b.business.telecomitalia.it)
87.126.205.44 # 14/23 rejects (87-126-205-44.btc-net.bg)
82.44.51.148 # 22/23 rejects (82-44-51-148.cable.ubr06.croy.blueyonder.co.uk)
76.182.214.126 # 21/22 rejects (cpe-76-182-214-126.tx.res.rr.com)
78.3.2.130 # 14/22 rejects (78-3-2-130.adsl.net.t-com.hr)
201.35.159.214 # 21/22 rejects (201-35-159-214.jvece702.dsl.brasiltelecom.net.br)
153.19.176.74 # 21/21 rejects (pwr74.pwradio.pl)
208.54.94.122 # 17/21 rejects (m7a5e36d0.tmodns.net)
219.81.235.73 # 21/21 rejects (219-81-235-73.dynamic.tfn.net.tw)
80.120.230.90 # 19/19 rejects (mail.graefischer-partner.at)
87.126.117.152 # 17/19 rejects (87-126-117-152.btc-net.bg)
80.126.68.129 # 18/18 rejects (rebel001rt1.rebel.etg.nl)
212.122.214.3 # 18/18 rejects (proxy.tvgawex.pl)
66.61.19.232 # 17/18 rejects (cpe-66-61-19-232.neo.res.rr.com)
78.61.224.110 # 18/18 rejects (78-61-224-110.ip.zebra.lt)
62.31.16.19 # 18/18 rejects (62-31-16-19.cable.ubr01.barn.blueyonder.co.uk)
82.150.166.12 # 9/16 rejects (isb12.clnet.cz)
200.40.171.254 # 15/15 rejects (r200-40-171-254.ae-static.anteldata.net.uy)
213.4.149.241 # 13/15 rejects (outmailhost.terra.es)
195.222.113.152 # 15/15 rejects (host-ip113-152.sycomp.pl)
89.229.2.17 # 9/15 rejects (host-89-229-2-17.torun.mm.pl)
85.177.153.69 # 15/15 rejects (e177153069.adsl.alicedsl.de)
24.151.178.113 # 15/15 rejects (24-151-178-113.dhcp.kgpt.tn.charter.com)

Next autoblacklist candidates: (10)
41.233.94.152 # 8/39 rejects (unknown)
190.49.122.34 # 9/37 rejects (unknown)
190.49.124.216 # 6/29 rejects (unknown)
83.11.150.22 # 9/28 rejects (acws22.neoplus.adsl.tpnet.pl)
82.13.247.134 # 9/26 rejects (cpc3-stkn1-0-0-cust901.midd.cable.ntl.com)
196.202.106.111 # 9/22 rejects (unknown)
41.233.102.5 # 4/19 rejects (unknown)
195.225.145.77 # 9/19 rejects (unknown)
122.34.208.233 # 9/19 rejects (unknown)
83.28.214.137 # 9/18 rejects (blu137.neoplus.adsl.tpnet.pl)

Already autoblacklisted hosts: (57)
83.5.102.25 # 51 connects (aanu25.neoplus.adsl.tpnet.pl)
219.70.102.3 # 34 connects (219-70-102-3.cable.dynamic.giga.net.tw)
83.3.138.214 # 33 connects (gpi214.internetdsl.tpnet.pl)
83.22.120.89 # 26 connects (dyi89.neoplus.adsl.tpnet.pl)
88.243.185.55 # 25 connects (unknown)
59.94.185.184 # 25 connects (unknown)
59.94.186.184 # 23 connects (unknown)
83.10.67.164 # 23 connects (acjr164.neoplus.adsl.tpnet.pl)
217.125.171.170 # 23 connects (170.Red-217-125-171.dynamicIP.rima-tde.net)
189.13.118.179 # 22 connects (unknown)
87.207.17.48 # 22 connects (chello087207017048.chello.pl)
88.230.50.177 # 21 connects (unknown)
84.236.88.134 # 21 connects (unknown)
87.226.169.41 # 20 connects (unknown)
82.77.169.30 # 20 connects (unknown)
82.204.251.138 # 20 connects (unknown)
59.95.102.97 # 20 connects (unknown)
59.94.186.250 # 20 connects (unknown)
208.63.101.231 # 20 connects (unknown)
86.122.151.200 # 19 connects (unknown)
85.11.173.16 # 19 connects (unknown)
80.51.38.242 # 19 connects (unknown)
59.94.180.194 # 19 connects (unknown)
96.224.230.147 # 18 connects (unknown)
89.241.227.233 # 18 connects (unknown)
82.79.221.177 # 18 connects (unknown)
71.82.13.17 # 18 connects (unknown)
59.94.187.179 # 18 connects (unknown)
59.94.184.217 # 18 connects (unknown)
222.89.81.20 # 18 connects (unknown)
213.85.27.237 # 18 connects (unknown)
212.220.223.90 # 18 connects (unknown)
212.107.123.133 # 18 connects (unknown)
210.212.243.3 # 18 connects (unknown)
190.42.30.85 # 18 connects (unknown)
71.68.82.172 # 18 connects (cpe-071-068-082-172.carolina.res.rr.com)
59.94.150.246 # 17 connects (unknown)
222.91.107.229 # 17 connects (unknown)
125.235.87.50 # 17 connects (unknown)
62.150.206.170 # 17 connects (adsl6-170.qualitynet.net)
90.188.95.186 # 17 connects (186.95.188.90.adsl.tomsknet.ru)
89.253.148.83 # 16 connects (unknown)
83.228.27.214 # 16 connects (unknown)
218.150.215.224 # 16 connects (unknown)
71.182.227.106 # 16 connects (pool-71-182-227-106.pitbpa.fios.verizon.net)
81.35.49.12 # 16 connects (12.Red-81-35-49.dynamicIP.rima-tde.net)
61.52.242.27 # 15 connects (unknown)
219.148.119.120 # 15 connects (unknown)
217.153.219.198 # 15 connects (unknown)
212.118.35.10 # 15 connects (unknown)
195.136.176.13 # 15 connects (unknown)
193.120.116.183 # 15 connects (unknown)
89.54.182.145 # 15 connects (Rb691.r.pppool.de)
84.124.40.161 # 15 connects (84.124.40.161.static.user.ono.com)
81.39.184.247 # 15 connects (247.Red-81-39-184.dynamicIP.rima-tde.net)
218.171.113.16 # 15 connects (218-171-113-16.dynamic.hinet.net)
213.156.52.121 # 15 connects (213-156-52-121.fastres.net)

Already manually blacklisted hosts: (0)