33303 total connections, 14380 rejects
considering SMTP users with > 15 hits (188 hosts, 11070 connections, 2294 rejects)

Clean hosts: (0 rejects) (57)
127.0.0.1 # 1172 connects (localhost)
202.45.161.167 # 1105 connects (www.tokyoartbeat.com)
70.103.162.31 # 990 connects (murphy.debian.org)
209.132.176.167 # 545 connects (vger.kernel.org)
70.103.162.29 # 227 connects (master.debian.org)
213.214.98.20 # 208 connects (elnino.fastxs.net)
145.97.39.157 # 189 connects (lists.wikimedia.org)
62.160.32.10 # 151 connects (isis.idm.fr)
140.105.134.102 # 121 connects (lists.gentoo.org)
204.16.104.146 # 117 connects (sc157.sjc.collab.net)
213.144.138.186 # 98 connects (natsuki.mplayerhq.hu)
157.92.49.7 # 93 connects (musashi.fi.uba.ar)
91.189.94.204 # 80 connects (chlorine.canonical.com)
144.206.170.130 # 53 connects (svf.iacph.kiae.ru)
86.63.169.251 # 51 connects (unknown)
195.39.210.225 # 50 connects (ip210-225.telenet.dn.ua)
199.232.76.165 # 46 connects (lists.gnu.org)
218.143.4.30 # 45 connects (softbank218143004030.bbtec.net)
89.255.76.9 # 44 connects (unknown)
83.237.207.119 # 41 connects (ppp83-237-207-119.pppoe.mtu-net.ru)
195.122.4.46 # 37 connects (unknown)
195.83.9.46 # 37 connects (etudserv.insa-toulouse.fr)
195.184.125.51 # 35 connects (lists.grok.org.uk)
217.196.43.134 # 30 connects (alioth.debian.org)
83.10.22.77 # 28 connects (achy77.neoplus.adsl.tpnet.pl)
87.98.204.151 # 27 connects (www.uniways.fr)
219.90.101.46 # 25 connects (unknown)
209.132.176.174 # 25 connects (sourceware.org)
82.77.21.136 # 24 connects (dragosursache.iasi.rdsnet.ro)
195.154.219.182 # 23 connects (pau.centraliens.net)
87.110.112.14 # 21 connects (unknown)
85.110.108.37 # 20 connects (unknown)
83.148.100.40 # 20 connects (unknown)
62.150.233.252 # 20 connects (unknown)
59.92.178.35 # 20 connects (unknown)
59.184.39.29 # 20 connects (unknown)
216.41.83.206 # 20 connects (unknown)
201.230.209.59 # 20 connects (unknown)
89.176.21.175 # 20 connects (r6v175.net.upc.cz)
85.141.154.134 # 20 connects (ppp85-141-154-134.pppoe.mtu-net.ru)
85.140.124.48 # 20 connects (ppp85-140-124-48.pppoe.mtu-net.ru)
209.132.176.177 # 20 connects (menubar.gnome.org)
83.135.24.51 # 20 connects (i53871833.versanet.de)
12.18.162.66 # 20 connects (elltel-dsl-p320.elltel.net)
98.199.6.63 # 20 connects (c-98-199-6-63.hsd1.tx.comcast.net)
195.245.118.6 # 20 connects (billing.ELANinet.com)
78.98.96.144 # 20 connects (adsl-dyn144.78-98-96.t-com.sk)
83.25.13.134 # 20 connects (aan134.neoplus.adsl.tpnet.pl)
90.36.236.35 # 20 connects (AGrenoble-156-1-13-35.w90-36.abo.wanadoo.fr)
97.97.252.220 # 20 connects (220-252.97-97.tampabay.res.rr.com)
62.210.111.212 # 18 connects (omega.fullsix.com)
82.165.184.162 # 18 connects (dspam.serveftp.net)
203.81.238.13 # 17 connects (unknown)
66.35.250.225 # 16 connects (lists-outbound.sourceforge.net)
77.123.200.122 # 16 connects (immature.loomer.volia.net)
24.91.72.242 # 16 connects (c-24-91-72-242.hsd1.ma.comcast.net)
66.33.216.104 # 15 connects (diego.dreamhost.com)

Mostly clean hosts: (<20% rejects) (16)
138.195.130.75 # 1/489 rejects (durga.via.ecp.fr)
68.53.255.49 # 1/269 rejects (c-68-53-255-49.hsd1.tn.comcast.net)
88.232.36.106 # 3/201 rejects (unknown)
64.142.28.227 # 25/157 rejects (dmz.lespinasse.org)
201.51.222.229 # 3/89 rejects (20151222229.user.veloxzone.com.br)
24.23.251.40 # 4/62 rejects (c-24-23-251-40.hsd1.mn.comcast.net)
24.23.251.40 # 2/61 rejects (c-24-23-251-40.hsd1.ca.comcast.net)
83.19.138.189 # 3/43 rejects (cxe189.internetdsl.tpnet.pl)
213.203.244.150 # 1/40 rejects (vd.cheramy.net)
66.35.250.206 # 2/30 rejects (lists.sourceforge.net)
91.127.12.3 # 5/30 rejects (adsl-dyn3.91-127-12.t-com.sk)
200.90.238.32 # 2/26 rejects (32-238-90.adsl.terra.cl)
201.254.64.216 # 1/24 rejects (unknown)
213.207.216.7 # 2/18 rejects (unknown)
201.163.157.26 # 3/17 rejects (unknown)
70.121.26.156 # 1/15 rejects (156.26.121.70.cfl.res.rr.com)

Unknown hosts: (44)
91.147.207.209 # 203/206 rejects (kabelnet-207-209.parisat.hu)
196.207.45.245 # 115/119 rejects (vc-196-207-45-245.3g.vodacom.co.za)
83.132.255.158 # 51/97 rejects (a83-132-255-158.cpe.netcabo.pt)
200.127.44.115 # 40/79 rejects (200-127-44-115.cab.prima.net.ar)
85.27.105.162 # 35/68 rejects (host-85-27-105-162.brutele.be)
67.154.224.138 # 65/66 rejects (psr2486821.z224-154-67.customer.algx.net)
217.141.153.49 # 14/62 rejects (host49-153-static.141-217-b.business.telecomitalia.it)
91.123.65.35 # 46/51 rejects (purvc-65-35.maksinets.lv)
87.126.116.70 # 31/51 rejects (87-126-116-70.btc-net.bg)
88.22.58.196 # 49/50 rejects (196.Red-88-22-58.staticIP.rima-tde.net)
71.201.26.224 # 45/46 rejects (c-71-201-26-224.hsd1.il.comcast.net)
66.56.181.252 # 33/35 rejects (cpe-066-056-181-252.sc.res.rr.com)
69.81.180.166 # 15/34 rejects (user-12l3d56.cable.mindspring.com)
194.150.251.137 # 25/33 rejects (pc-55137.zdnet.com.pl)
62.163.171.224 # 25/31 rejects (a171224.upc-a.chello.nl)
209.168.186.100 # 19/30 rejects (ffi.flanderscorp.com)
209.159.47.114 # 19/30 rejects (209-159-47-114.wan.networktel.net)
82.197.51.70 # 20/29 rejects (wipll-70-51-static.92a.tarnobrzeg.pilicka.pl)
83.2.81.254 # 16/29 rejects (sec-nat6.prest.polkowice.pl)
87.29.19.74 # 22/28 rejects (host74-19-static.29-87-b.business.telecomitalia.it)
77.181.76.137 # 22/28 rejects (gtng-4db54c89.pool.einsundeins.de)
89.215.104.106 # 11/26 rejects (89-215-104-106.2072977957.ddns-lan.pl.ekk.bg)
89.178.231.1 # 13/26 rejects (89-178-231-1.broadband.corbina.ru)
83.99.43.30 # 20/25 rejects (ip-83-99-43-30.dyn.luxdsl.pt.lu)
89.97.35.67 # 20/25 rejects (89-97-35-67.ip15.fastwebnet.it)
88.107.230.60 # 14/25 rejects (88-107-230-60.dynamic.dsl.as9105.com)
194.150.197.226 # 20/22 rejects (limbo.altec.pl)
201.213.28.94 # 12/21 rejects (201-213-28-94.net.prima.net.ar)
81.219.37.153 # 8/20 rejects (static-81-219-37-153.devs.futuro.pl)
71.67.131.41 # 16/20 rejects (cpe-71-67-131-41.woh.res.rr.com)
24.39.30.66 # 13/19 rejects (rrcs-24-39-30-66.nys.biz.rr.com)
75.164.151.145 # 15/19 rejects (75-164-151-145.ptld.qwest.net)
217.15.131.104 # 18/19 rejects (217-15-131-104.ip.yaroslavl.ru)
80.21.213.130 # 6/18 rejects (host130-213-static.21-80-b.business.telecomitalia.it)
84.60.0.190 # 15/18 rejects (dslb-084-060-000-190.pools.arcor-ip.net)
212.76.37.178 # 15/17 rejects (nat-tor2.aster.pl)
89.102.213.67 # 9/17 rejects (ip-89-102-213-67.karneval.cz)
85.14.94.170 # 13/17 rejects (amicom-r.3s.pl)
89.215.120.115 # 6/17 rejects (89-215-120-115.2072973904.ddns-lan.pl.ekk.bg)
72.53.71.243 # 14/16 rejects (CABLE-72-53-71-243.cia.com)
87.105.18.86 # 9/15 rejects (xdsl-9302.zgora.dialog.net.pl)
88.217.64.5 # 13/15 rejects (ppp-88-217-64-5.dynamic.mnet-online.de)
66.13.254.250 # 13/15 rejects (bdsl.66.13.254.250.gte.net)
78.56.70.127 # 14/15 rejects (78-56-70-127.ip.zebra.lt)

Next autoblacklist candidates: (19)
221.15.80.227 # 9/44 rejects (unknown)
83.21.211.143 # 12/41 rejects (elr143.neoplus.adsl.tpnet.pl)
123.0.36.180 # 15/36 rejects (unknown)
83.12.220.170 # 13/30 rejects (gim170.internetdsl.tpnet.pl)
211.238.88.4 # 6/26 rejects (unknown)
91.88.242.124 # 12/25 rejects (unknown)
89.116.64.125 # 9/23 rejects (unknown)
203.81.65.52 # 9/23 rejects (unknown)
77.199.96.15 # 9/21 rejects (unknown)
70.110.77.152 # 9/20 rejects (pool-70-110-77-152.tampfl.fios.verizon.net)
89.223.47.23 # 9/19 rejects (unknown)
85.101.23.225 # 9/18 rejects (unknown)
58.211.210.86 # 6/18 rejects (unknown)
83.17.148.193 # 6/17 rejects (apo193.internetdsl.tpnet.pl)
82.137.78.84 # 7/15 rejects (unknown)
62.109.177.2 # 7/15 rejects (unknown)
59.92.76.162 # 6/15 rejects (unknown)
189.162.34.180 # 6/15 rejects (unknown)
124.125.224.205 # 7/15 rejects (unknown)

Already autoblacklisted hosts: (52)
59.126.47.108 # 84 connects (59-126-47-108.HINET-IP.hinet.net)
123.19.225.181 # 56 connects (unknown)
85.136.135.238 # 50 connects (85.136.135.238.dyn.user.ono.com)
91.150.105.235 # 40 connects (unknown)
85.104.134.183 # 40 connects (unknown)
90.37.102.138 # 34 connects (AMarseille-157-1-95-138.w90-37.abo.wanadoo.fr)
123.22.82.216 # 32 connects (unknown)
190.51.136.166 # 31 connects (unknown)
88.244.141.81 # 27 connects (unknown)
61.143.62.178 # 27 connects (unknown)
123.6.101.142 # 27 connects (unknown)
83.168.106.41 # 26 connects (unknown)
84.122.95.169 # 26 connects (84.122.95.169.dyn.user.ono.com)
220.141.34.17 # 25 connects (220-141-34-17.dynamic.hinet.net)
221.222.226.242 # 24 connects (unknown)
58.142.176.221 # 23 connects (unknown)
84.125.87.170 # 22 connects (84.125.87.170.dyn.user.ono.com)
86.124.223.88 # 21 connects (unknown)
82.153.28.47 # 21 connects (unknown)
83.3.205.226 # 21 connects (grx226.internetdsl.tpnet.pl)
81.190.125.240 # 20 connects (unknown)
71.125.74.168 # 19 connects (pool-71-125-74-168.nwrknj.east.verizon.net)
86.123.190.247 # 18 connects (unknown)
83.220.45.33 # 18 connects (unknown)
211.36.162.249 # 18 connects (unknown)
200.178.86.131 # 18 connects (unknown)
83.21.125.196 # 18 connects (eij196.neoplus.adsl.tpnet.pl)
79.114.83.15 # 17 connects (unknown)
61.138.190.238 # 17 connects (unknown)
218.87.57.97 # 17 connects (unknown)
189.174.208.54 # 17 connects (unknown)
70.20.126.228 # 17 connects (pool-70-20-126-228.pitt.east.verizon.net)
80.53.235.251 # 17 connects (cz251.internetdsl.tpnet.pl)
66.231.246.210 # 16 connects (unknown)
59.68.56.69 # 16 connects (unknown)
58.60.86.179 # 16 connects (unknown)
209.183.32.42 # 16 connects (unknown)
202.78.237.232 # 16 connects (unknown)
195.189.219.90 # 16 connects (unknown)
80.224.41.79 # 16 connects (80.224.41.79.static.user.ono.com)
82.197.39.203 # 15 connects (unknown)
81.198.192.129 # 15 connects (unknown)
81.198.10.214 # 15 connects (unknown)
77.104.247.254 # 15 connects (unknown)
218.148.66.156 # 15 connects (unknown)
190.50.61.86 # 15 connects (unknown)
200.120.212.240 # 15 connects (pc-240-212-120-200.cm.vtr.net)
83.18.235.242 # 15 connects (bxb242.internetdsl.tpnet.pl)
81.219.134.72 # 15 connects (72.134.219.81.static.kielce.msk.pl)
61.222.245.198 # 15 connects (61-222-245-198.HINET-IP.hinet.net)
59.121.17.177 # 15 connects (59-121-17-177.dynamic.hinet.net)
84.103.213.149 # 15 connects (149.213.103-84.rev.gaoland.net)

Already manually blacklisted hosts: (0)