37852 total connections, 3815 rejects
considering SMTP users with > 15 hits (171 hosts, 14081 connections, 688 rejects)

Clean hosts: (0 rejects) (101)
127.0.0.1 # 2548 connects (localhost)
216.193.225.78 # 1651 connects (unknown)
70.103.162.31 # 1005 connects (murphy.debian.org)
202.45.161.167 # 930 connects (www.tokyoartbeat.com)
89.0.77.24 # 361 connects (89.0.77.24.dynamic.barak-online.net)
209.132.176.167 # 229 connects (vger.kernel.org)
213.214.98.20 # 187 connects (elnino.fastxs.net)
219.161.11.231 # 127 connects (p2231-adsah02tachib-acca.tokyo.ocn.ne.jp)
62.160.32.10 # 127 connects (isis.idm.fr)
204.16.104.146 # 121 connects (sc157.sjc.collab.net)
200.175.67.252 # 88 connects (200.175.67.252.adsl.gvt.net.br)
145.97.39.157 # 83 connects (lists.wikimedia.org)
80.133.220.201 # 81 connects (p5085DCC9.dip.t-dialin.net)
70.103.162.29 # 80 connects (master.debian.org)
91.76.181.130 # 79 connects (ppp91-76-181-130.pppoe.mtu-net.ru)
201.54.116.247 # 76 connects (201-54-116-247.sercomtel.com.br)
77.41.16.182 # 62 connects (unknown)
86.123.165.27 # 61 connects (unknown)
201.32.168.155 # 58 connects (20132168155.user.veloxzone.com.br)
62.105.141.86 # 56 connects (unknown)
209.132.176.174 # 56 connects (sourceware.org)
81.190.112.194 # 55 connects (host-81-190-112-194.gdynia.mm.pl)
76.166.150.68 # 53 connects (cpe-76-166-150-68.socal.res.rr.com)
217.196.43.134 # 48 connects (alioth.debian.org)
89.20.100.27 # 46 connects (unknown)
157.92.49.7 # 45 connects (musashi.fi.uba.ar)
83.156.216.108 # 43 connects (dyn-83-156-216-108.ppp.tiscali.fr)
85.49.21.3 # 42 connects (3.pool85-49-21.dynamic.orange.es)
77.109.18.119 # 40 connects (77-109-18-119.dynamic.peoplenet.ua)
74.123.67.116 # 39 connects (CPE00121717dee3-CM000a739b80cc.cpe.net.cable.rogers.com)
24.57.133.217 # 38 connects (d57-133-217.home.cgocable.net)
213.137.239.166 # 35 connects (unknown)
193.252.148.127 # 34 connects (neolane2.alapage.com)
80.254.113.182 # 34 connects (as-salsk.donpac.ru)
165.154.38.95 # 34 connects (165-154-38-95.ispnetbilling.com)
122.52.95.226 # 33 connects (unknown)
66.35.250.206 # 33 connects (lists.sourceforge.net)
59.188.231.66 # 31 connects (unknown)
85.104.87.101 # 30 connects (unknown)
138.195.130.71 # 30 connects (krishna.via.ecp.fr)
91.124.146.23 # 30 connects (23-146-124-91.pool.ukrtel.net)
83.28.67.79 # 29 connects (bgd79.neoplus.adsl.tpnet.pl)
219.90.101.105 # 28 connects (unknown)
87.98.204.151 # 27 connects (www.uniways.fr)
84.157.52.216 # 27 connects (p549D34D8.dip0.t-ipconnect.de)
66.91.44.37 # 27 connects (cpe-66-91-44-37.hawaii.res.rr.com)
80.93.124.152 # 26 connects (unknown)
82.207.79.17 # 25 connects (unknown)
211.232.206.204 # 25 connects (unknown)
189.145.82.254 # 25 connects (unknown)
221.162.44.36 # 24 connects (unknown)
89.25.101.39 # 23 connects (unknown)
88.213.51.72 # 23 connects (unknown)
200.45.191.5 # 23 connects (smtp-05.arnet.com.ar)
195.184.125.51 # 23 connects (lists.grok.org.uk)
221.128.175.158 # 22 connects (unknown)
122.161.40.97 # 22 connects (unknown)
209.132.176.177 # 22 connects (menubar.gnome.org)
77.200.149.161 # 21 connects (unknown)
140.105.134.102 # 21 connects (lists.gentoo.org)
82.211.81.204 # 21 connects (chlorine.canonical.com)
89.178.50.193 # 21 connects (89-178-50-193.broadband.corbina.ru)
80.78.47.36 # 20 connects (vpn80-78-47-36.nbi.com.ua)
80.93.124.169 # 20 connects (unknown)
199.72.48.182 # 20 connects (unknown)
80.240.97.134 # 20 connects (svyaz-stroitelstvo-gw.Moscow.itn.ru)
72.94.186.32 # 20 connects (pool-72-94-186-32.phlapa.fios.verizon.net)
58.136.117.100 # 20 connects (p5434-adslbkkct1.C.csloxinfo.net)
82.233.112.165 # 19 connects (weg38-2-82-233-112-165.fbx.proxad.net)
59.94.128.211 # 19 connects (unknown)
210.212.105.7 # 19 connects (unknown)
123.254.207.195 # 19 connects (unknown)
62.210.111.212 # 19 connects (omega.fullsix.com)
218.210.15.34 # 18 connects (unknown)
217.118.182.74 # 18 connects (unknown)
201.236.200.87 # 18 connects (unknown)
83.147.87.126 # 17 connects (unknown)
195.154.219.182 # 17 connects (pau.centraliens.net)
199.232.76.165 # 17 connects (lists.gnu.org)
82.226.83.132 # 17 connects (fla93-2-82-226-83-132.fbx.proxad.net)
86.209.221.123 # 17 connects (AClermont-Ferrand-157-1-110-123.w86-209.abo.wanadoo.fr)
200.170.97.6 # 17 connects (200-170-97-6.static-inova.ajato.com.br)
89.25.101.8 # 16 connects (unknown)
84.77.141.99 # 16 connects (unknown)
80.93.124.205 # 16 connects (unknown)
80.93.124.201 # 16 connects (unknown)
219.90.101.92 # 16 connects (unknown)
211.219.10.96 # 16 connects (unknown)
80.93.124.212 # 15 connects (unknown)
58.151.28.170 # 15 connects (unknown)
200.49.106.82 # 15 connects (unknown)
189.163.69.113 # 15 connects (unknown)
189.132.219.46 # 15 connects (unknown)
125.137.67.82 # 15 connects (unknown)
124.121.56.163 # 15 connects (ppp-124.121.56.163.revip2.asianet.co.th)
124.121.195.112 # 15 connects (ppp-124.121.195.112.revip2.asianet.co.th)
216.92.131.4 # 15 connects (lists.php.net)
217.44.218.193 # 15 connects (host217-44-218-193.range217-44.btcentralplus.com)
4.224.177.39 # 15 connects (dialup-4.224.177.39.Dial1.Cincinnati1.Level3.net)
65.25.142.0 # 15 connects (cpe-65-25-142-0.columbus.res.rr.com)
189.26.16.185 # 15 connects (189.26.16.185.adsl.gvt.net.br)

Mostly clean hosts: (<20% rejects) (26)
213.203.244.150 # 37/658 rejects (vd.cheramy.net)
64.142.28.227 # 4/623 rejects (dmz.lespinasse.org)
138.195.130.75 # 1/520 rejects (durga.via.ecp.fr)
84.6.106.46 # 16/158 rejects (unknown)
79.114.87.251 # 9/158 rejects (unknown)
91.123.65.35 # 6/107 rejects (purvc-65-35.maksinets.lv)
213.144.138.186 # 1/101 rejects (natsuki.mplayerhq.hu)
86.124.216.182 # 2/89 rejects (unknown)
198.85.58.43 # 1/80 rejects (unknown)
79.114.82.65 # 1/68 rejects (unknown)
77.251.32.90 # 1/64 rejects (unknown)
82.77.168.20 # 4/62 rejects (unknown)
88.213.54.181 # 3/59 rejects (unknown)
58.9.170.252 # 1/46 rejects (ppp-58.9.170.252.revip2.asianet.co.th)
79.114.85.189 # 6/35 rejects (unknown)
69.134.164.228 # 3/35 rejects (cpe-069-134-164-228.nc.res.rr.com)
217.164.125.7 # 1/28 rejects (auh-as7627.alshamil.net.ae)
79.65.255.190 # 2/21 rejects (79-65-255-190.dynamic.dsl.as9105.com)
200.67.226.217 # 2/20 rejects (dsl-200-67-226-217.prod-empresarial.com.mx)
201.231.144.197 # 1/20 rejects (197-144-231-201.fibertel.com.ar)
216.70.246.146 # 1/19 rejects (216-70-246-146.static-ip.telepacific.net)
79.114.85.226 # 3/18 rejects (unknown)
128.134.207.85 # 1/17 rejects (unknown)
88.213.53.40 # 3/16 rejects (unknown)
62.150.153.87 # 2/16 rejects (as12-87.qualitynet.net)
75.91.174.228 # 1/15 rejects (h228.174.91.75.ip.alltel.net)

Unknown hosts: (11)
91.147.204.161 # 55/55 rejects (kabelnet-204-161.parisat.hu)
69.138.130.124 # 45/49 rejects (c-69-138-130-124.hsd1.fl.comcast.net)
81.7.79.162 # 18/38 rejects (81-7-79-162.ip.zebra.lt)
68.37.98.235 # 29/35 rejects (c-68-37-98-235.hsd1.pa.comcast.net)
89.80.186.231 # 6/19 rejects (bdv75-3-89-80-186-231.dsl.club-internet.fr)
84.58.153.42 # 6/18 rejects (dslb-084-058-153-042.pools.arcor-ip.net)
98.16.100.203 # 9/16 rejects (h203.100.16.98.ip.alltel.net)
77.85.64.91 # 10/16 rejects (77-85-64-91.btc-net.bg)
58.9.197.184 # 6/15 rejects (ppp-58.9.197.184.revip2.asianet.co.th)
41.208.48.1 # 6/15 rejects (41-208-48-1.mtn.co.za)
125.27.28.111 # 12/15 rejects (125-27-28-111.adsl.totbb.net)

Next autoblacklist candidates: (16)
90.13.190.166 # 13/50 rejects (ADijon-258-1-87-166.w90-13.abo.wanadoo.fr)
90.6.129.107 # 11/46 rejects (ADijon-258-1-26-107.w90-6.abo.wanadoo.fr)
86.123.165.18 # 11/37 rejects (unknown)
212.51.93.33 # 12/36 rejects (unknown)
123.253.7.238 # 7/35 rejects (unknown)
221.133.159.28 # 12/31 rejects (unknown)
220.86.147.47 # 15/30 rejects (unknown)
88.213.49.105 # 8/28 rejects (unknown)
86.129.115.100 # 6/23 rejects (host86-129-115-100.range86-129.btcentralplus.com)
211.246.164.253 # 9/22 rejects (unknown)
218.157.137.39 # 9/19 rejects (unknown)
88.231.124.158 # 6/17 rejects (unknown)
88.232.213.21 # 4/15 rejects (unknown)
220.230.46.2 # 3/15 rejects (unknown)
218.157.141.190 # 3/15 rejects (unknown)
72.80.14.27 # 5/15 rejects (pool-72-80-14-27.nycmny.east.verizon.net)

Already autoblacklisted hosts: (17)
80.93.124.129 # 26 connects (unknown)
216.84.70.20 # 22 connects (unknown)
59.152.148.13 # 20 connects (unknown)
71.98.227.39 # 20 connects (pool-71-98-227-39.tampfl.dsl-w.verizon.net)
86.123.165.106 # 19 connects (unknown)
91.147.225.149 # 17 connects (unknown)
203.170.126.109 # 17 connects (unknown)
59.0.10.199 # 16 connects (unknown)
211.228.135.8 # 16 connects (unknown)
202.97.205.137 # 16 connects (unknown)
202.21.178.243 # 16 connects (unknown)
193.6.59.137 # 16 connects (unknown)
125.99.131.246 # 16 connects (unknown)
71.84.12.6 # 15 connects (unknown)
201.217.82.55 # 15 connects (unknown)
96.231.45.37 # 15 connects (pool-96-231-45-37.washdc.fios.verizon.net)
84.138.86.35 # 15 connects (p548A5623.dip.t-dialin.net)

Already manually blacklisted hosts: (0)