diff --git a/data/free.txt b/data/free.txt
index bc9e09c..98a00f1 100644
--- a/data/free.txt
+++ b/data/free.txt
@@ -63,23 +63,6 @@
 8848.net
 888.nu
 97rock.com
-airforceemail.com
-bonbon.net
-cpaonline.net
-cybercafemaui.com
-earthcam.net
-id-base.com
-mttestdriver.com
-mailscrap.com
-mailandnews.com
-multiplechoices
-oaklandas-fan.com
-parsmail.com
-phreaker.net
-sexmagnet.com
-startrekmail.com
-toughguy.net
-webcammail.com
 a-bc.net
 aaamail.zzn.com
 aamail.net
@@ -119,7 +102,6 @@ aeneasmail.com
 afreeinternet.com
 africamail.com
 afrobacon.com
-afrobacon.com
 agedmail.com
 agnitumhost.net
 agoodmail.com
@@ -131,7 +113,6 @@ airforceemail.com
 airpost.net
 ajacied.com
 ajaxapp.net
-ajaxapp.net
 ak47.hu
 aknet.kg
 albawaba.com
@@ -164,8 +145,6 @@ america.hm
 ameritech.net
 amilegit.com
 amiri.net
-amiri.net
-amiriindustries.com
 amiriindustries.com
 amnetsal.com
 amorki.pl
@@ -404,12 +383,10 @@ btopenworld.co.uk
 buerotiger.de
 buffymail.com
 bugmenot.com
-bugmenot.com
 bullsfan.com
 bullsgame.com
 bumerang.ro
 bumpymail.com
-bumpymail.com
 bumrap.com
 bund.us
 bunko.com
@@ -469,11 +446,9 @@ center-mail.de
 centermail.at
 centermail.ch
 centermail.com
-centermail.com
 centermail.de
 centermail.info
 centermail.net
-centermail.net
 centoper.it
 centralpets.com
 centrum.cz
@@ -512,7 +487,6 @@ chirk.com
 chocaholic.com.au
 chogmail.com
 choicemail1.com
-choicemail1.com
 chongsoft.org
 christianmail.net
 churchusa.com
@@ -690,7 +664,6 @@ dcemail.com
 deadaddress.com
 deadlymob.org
 deadspam.com
-deadspam.com
 deagot.com
 deal-maker.com
 dearriba.com
@@ -706,8 +679,6 @@ desilota.com
 deskmail.com
 deskpilot.com
 despam.it
-despam.it
-despammed.com
 despammed.com
 destin.com
 detik.com
@@ -733,8 +704,6 @@ dirtracers.com
 discard.email
 discardmail.*
 discardmail.com
-discardmail.com
-discardmail.de
 discardmail.de
 discartmail.com
 discofan.com
@@ -747,7 +716,6 @@ disposableemailaddresses.emailmiser.com
 disposableinbox.com
 dispose.it
 disposeamail.com
-disposeamail.com
 disposemail.com
 dispostable.com
 dm.w3internet.co.uk
@@ -758,7 +726,6 @@ dnsmadeeasy.com
 docmail.cz
 doctor.com
 dodgeit.com
-dodgeit.com
 dodgit.com
 dodgit.org
 dog.com
@@ -774,8 +741,6 @@ donjuan.com
 dontgotmail.com
 dontmesswithtexas.com
 dontreg.com
-dontreg.com
-dontsendmespam.de
 dontsendmespam.de
 dontsentmespam.de
 doramail.com
@@ -798,10 +763,8 @@ dublin.com
 dublin.ie
 dump-email.info
 dumpandjunk.com
-dumpandjunk.com
 dumpmail.com
 dumpmail.de
-dumpmail.de
 dumpyemail.com
 dunlopdriver.com
 dunloprider.com
@@ -819,7 +782,6 @@ e-mailanywhere.com
 e-mails.ru
 e-tapaal.com
 e4ward.com
-e4ward.com
 earthalliance.com
 earthcam.net
 earthdome.com
@@ -869,20 +831,17 @@ emailaccount.com
 emailchoice.com
 emailcorner.net
 emaildienst.de
-emaildienst.de
 emailem.com
 emailengine.net
 emailforyou.net
 emailgo.de
 emailgroups.net
 emailias.com
-emailias.com
 emailigo.de
 emailinfive.com
 emailit.com
 emaillime.com
 emailmiser.com
-emailmiser.com
 emailpinoy.com
 emailplanet.com
 emailproxsy.com
@@ -896,13 +855,11 @@ emailtemporario.com.br
 emailthe.net
 emailtmp.com
 emailto.de
-emailto.de
 emailuser.net
 emailwarden.com
 emailx.at.hm
 emailx.net
 emailxfer.com
-emailxfer.com
 ematic.com
 embarqmail.com
 emeil.in
@@ -911,14 +868,12 @@ emil.com
 eml.cc
 emumail.com
 emz.net
-emz.net
 end-war.com
 enel.net
 engineer.com
 england.com
 england.edu
 enterto.com
-enterto.com
 epatra.com
 ephemail.net
 epix.net
@@ -934,10 +889,7 @@ ethos.st
 etoast.com
 etrademail.com
 etranquil.com
-etranquil.com
 etranquil.net
-etranquil.net
-etranquil.org
 etranquil.org
 eudoramail.com
 europe.com
@@ -970,7 +922,6 @@ facebook.com
 fahr-zur-hoelle.org
 fakeinbox.com
 fakeinformation.com
-fakeinformation.com
 falseaddress.com
 fammix.com
 fan.com
@@ -983,10 +934,7 @@ farang.net
 farifluset.mailexpire.com
 faroweb.com
 fastacura.com
-fastacura.com
 fastchevy.com
-fastchevy.com
-fastchrysler.com
 fastchrysler.com
 fastem.com
 fastemail.us
@@ -994,24 +942,16 @@ fastemailer.com
 fastermail.com
 fastimap.com
 fastkawasaki.com
-fastkawasaki.com
 fastmail.ca
 fastmail.fm
 fastmailbox.net
 fastmazda.com
-fastmazda.com
 fastmessaging.com
 fastmitsubishi.com
-fastmitsubishi.com
-fastnissan.com
 fastnissan.com
 fastsubaru.com
-fastsubaru.com
-fastsuzuki.com
 fastsuzuki.com
 fasttoyota.com
-fasttoyota.com
-fastyamaha.com
 fastyamaha.com
 fatcock.net
 fathersrightsne.org
@@ -1190,14 +1130,12 @@ fromwisconsin.com
 fromwyoming.com
 front.ru
 front14.org
-front14.org
 frontier.com
 frontiernet.net
 frostbyte.uk.net
 fsmail.net
 ftml.net
 fuckingduh.com
-fuckingduh.com
 fudgerub.com
 fullmail.com
 funkfan.com
@@ -1207,7 +1145,6 @@ furnitureprovider.com
 fuse.net
 fut.es
 fux0ringduh.com
-fux0ringduh.com
 fwnb.com
 fxsmails.com
 fyii.de
@@ -1242,13 +1179,11 @@ get2mail.fr
 getairmail.com
 getmails.eu
 getonemail.com
-getonemail.com
 getonemail.net
 gh2000.com
 ghanamail.com
 ghostmail.com
 ghosttexter.de
-ghosttexter.de
 giantmail.de
 giantsfan.com
 giga4u.de
@@ -1256,7 +1191,6 @@ gigileung.org
 girl4god.com
 girlsundertheinfluence.com
 gishpuppy.com
-gishpuppy.com
 givepeaceachance.com
 glay.org
 glendale.net
@@ -1302,22 +1236,13 @@ gotomy.com
 gotti.otherinbox.com
 govolsfan.com
 gowikibooks.com
-gowikibooks.com
-gowikicampus.com
 gowikicampus.com
 gowikicars.com
-gowikicars.com
-gowikifilms.com
 gowikifilms.com
 gowikigames.com
-gowikigames.com
-gowikimusic.com
 gowikimusic.com
 gowikinetwork.com
-gowikinetwork.com
 gowikitravel.com
-gowikitravel.com
-gowikitv.com
 gowikitv.com
 gportal.hu
 grabmail.com
@@ -1329,7 +1254,6 @@ grapplers.com
 gratisweb.com
 great-host.in
 greensloth.com
-greensloth.com
 grr.la
 grungecafe.com
 gsrv.co.uk
@@ -1342,11 +1266,9 @@ guerillamail.net
 guerillamail.org
 guerrillamail.biz
 guerrillamail.com
-guerrillamail.com
 guerrillamail.de
 guerrillamail.info
 guerrillamail.net
-guerrillamail.net
 guerrillamail.org
 guerrillamailblock.com
 guessmail.com
@@ -1360,14 +1282,12 @@ gyorsposta.com
 gyorsposta.hu
 h.mintemail.com
 h8s.org
-h8s.org
 hab-verschlafen.de
 habmalnefrage.de
 hackermail.net
 hailmail.net
 hairdresser.net
 haltospam.com
-haltospam.com
 hamptonroads.com
 handbag.com
 handleit.com
@@ -1380,7 +1300,6 @@ harakirimail.com
 hardcorefreak.com
 hat-geld.de
 hatespam.org
-hatespam.org
 hawaii.rr.com
 hawaiiantel.net
 headbone.com
@@ -1402,7 +1321,6 @@ herr-der-mails.de
 hey.to
 hhdevel.com
 hidemail.de
-hidemail.de
 hidzz.com
 highmilton.com
 highquality.com
@@ -1500,7 +1418,6 @@ ignmail.com
 ihateclowns.com
 ihateyoualot.info
 iheartspam.org
-iheartspam.org
 iinet.net.au
 ijustdontcare.com
 ikbenspamvrij.nl
@@ -1587,7 +1504,6 @@ iowaemail.com
 ip3.com
 ip6.li
 ipoo.org
-ipoo.org
 iprimus.com.au
 iqemail.com
 irangate.net
@@ -1612,7 +1528,6 @@ ivebeenframed.com
 ivillage.com
 iwan-fals.com
 iwi.net
-iwi.net
 iwmail.com
 iwon.com
 izadpanah.com
@@ -1626,12 +1541,9 @@ jazzfan.com
 jazzgame.com
 jerusalemmail.com
 jetable.com
-jetable.com
 jetable.de
 jetable.fr.nf
 jetable.net
-jetable.net
-jetable.org
 jetable.org
 jetemail.net
 jetfix.ee
@@ -1670,7 +1582,6 @@ karachian.com
 karachioye.com
 karbasi.com
 kasmail.com
-kasmail.com
 kaspop.com
 katamail.com
 kayafmmail.co.za
@@ -1688,8 +1599,6 @@ khosropour.com
 kickassmail.com
 killermail.com
 killmail.com
-killmail.com
-killmail.net
 killmail.net
 kimo.com
 kimsdisk.com
@@ -1702,8 +1611,6 @@ kitznet.at
 kiwibox.com
 kiwitown.com
 klassmaster.com
-klassmaster.com
-klassmaster.net
 klassmaster.net
 klzlk.com
 kmail.com.au
@@ -1760,7 +1667,6 @@ lick101.com
 liebt-dich.info
 lifebyfood.com
 link2mail.net
-link2mail.net
 linkmaster.com
 linktrader.com
 linuxfreemail.com
@@ -1793,7 +1699,6 @@ lookugly.com
 lopezclub.com
 lopl.co.cc
 lortemail.dk
-lortemail.dk
 louiskoo.com
 love.cz
 loveable.com
@@ -2855,7 +2760,6 @@ mail2rose.com
 mail2rosie.com
 mail2roy.com
 mail2rss.org
-mail2rss.org
 mail2rudy.com
 mail2rugby.com
 mail2runner.com
@@ -3147,7 +3051,6 @@ mail2zoologist.com
 mail2zurich.com
 mail3000.com
 mail333.com
-mail333.com
 mail4days.com
 mail4trash.com
 mail4u.info
@@ -3158,7 +3061,6 @@ mailasia.com
 mailbidon.com
 mailbiz.biz
 mailblocks.com
-mailblocks.com
 mailbolt.com
 mailbomb.net
 mailboom.com
@@ -3182,16 +3084,13 @@ mailde.de
 mailde.info
 maildrop.cc
 maileater.com
-maileater.com
 maileimer.de
 mailexcite.com
 mailexpire.com
-mailexpire.com
 mailfa.tk
 mailforce.net
 mailforspam.com
 mailfreeonline.com
-mailfreeonline.com
 mailftp.com
 mailgate.gr
 mailgenie.net
@@ -3200,15 +3099,11 @@ mailhaven.com
 mailhood.com
 mailimate.com
 mailin8r.com
-mailin8r.com
 mailinater.com
-mailinater.com
-mailinator.com
 mailinator.com
 mailinator.net
 mailinator.org
 mailinator2.com
-mailinator2.com
 mailinblack.com
 mailincubator.com
 mailingweb.com
@@ -3224,13 +3119,11 @@ mailmetrash.com
 mailmight.com
 mailmij.nl
 mailmoat.com
-mailmoat.com
 mailms.com
 mailnator.com
 mailnesia.com
 mailnew.com
 mailnull.com
-mailnull.com
 mailops.com
 mailorg.org
 mailoye.com
@@ -3248,10 +3141,8 @@ mailru.com
 mailscrap.com
 mailsent.net
 mailshell.com
-mailshell.com
 mailshuttle.com
 mailsiphon.com
-mailsiphon.com
 mailslite.com
 mailstart.com
 mailstartplus.com
@@ -3268,7 +3159,6 @@ mailueberfall.de
 mailup.net
 mailwire.com
 mailzilla.com
-mailzilla.com
 mailzilla.org
 mailzilla.orgmbx.cc
 makemetheking.com
@@ -3317,7 +3207,6 @@ meine-diashow.de
 meine-fotos.info
 meine-urlaubsfotos.de
 meinspamschutz.de
-meinspamschutz.de
 mekhong.com
 melodymail.com
 meloo.com
@@ -3325,7 +3214,6 @@ meltmail.com
 members.student.com
 message.hu
 messagebeamer.de
-messagebeamer.de
 messages.to
 metacrawler.com
 metalfan.com
@@ -3347,7 +3235,6 @@ mindspring.com
 mini-mail.com
 ministry-of-silly-walks.de
 mintemail.com
-mintemail.com
 misery.net
 misterpinball.de
 mittalweb.com
@@ -3436,14 +3323,9 @@ myremarq.com
 mysamp.de
 myself.com
 myspaceinc.com
-myspaceinc.com
-myspaceinc.net
 myspaceinc.net
 myspaceinc.org
-myspaceinc.org
 myspacepimpedup.com
-myspacepimpedup.com
-myspamless.com
 myspamless.com
 mystupidjob.com
 mytempemail.com
@@ -3451,7 +3333,6 @@ mytempmail.com
 mythirdage.com
 mytop-in.net
 mytrashmail.com
-mytrashmail.com
 mytrashmail.compookmail.com
 myway.com
 myworldmail.com
@@ -3483,12 +3364,9 @@ nemra1.com
 nenter.com
 neo.rr.com
 neomailbox.com
-neomailbox.com
 nepwk.com
 nervhq.org
 nervmich.net
-nervmich.net
-nervtmich.net
 nervtmich.net
 net-pager.net
 net4b.pt
@@ -3506,8 +3384,6 @@ netizen.com.ar
 netlane.com
 netlimit.com
 netmails.com
-netmails.com
-netmails.net
 netmails.net
 netmanor.com
 netmongol.com
@@ -3527,7 +3403,6 @@ netterchef.de
 netzero.com
 netzero.net
 netzidiot.de
-netzidiot.de
 neue-dateien.de
 neuro.md
 neverbox.com
@@ -3554,8 +3429,6 @@ no-spam.ws
 noavar.com
 noblepioneer.com
 nobulk.com
-nobulk.com
-noclickemail.com
 noclickemail.com
 nogmailspam.info
 nomail.pw
@@ -3568,7 +3441,6 @@ northgates.net
 nospam.ze.tc
 nospam4.us
 nospamfor.us
-nospamfor.us
 nospammail.net
 nospamthanks.info
 notmailinator.com
@@ -3579,7 +3451,6 @@ ntscan.com
 nullbox.info
 nur-fuer-spam.de
 nurfuerspam.de
-nurfuerspam.de
 nus.edu.sg
 nwldx.com
 ny.com
@@ -3618,7 +3489,6 @@ one-time.email
 onebox.com
 onenet.com.ar
 oneoffemail.com
-oneoffemail.com
 onet.pl
 onewaymail.com
 oninet.pt
@@ -3630,7 +3500,6 @@ onmilwaukee.com
 onobox.com
 onvillage.com
 oopi.org
-oopi.org
 opayq.com
 operafan.com
 operamail.com
@@ -3650,12 +3519,10 @@ our-office.com
 our.st
 ourbrisbane.com
 ourklips.com
-ourklips.com
 ournet.md
 outel.com
 outgun.com
 outlawspam.com
-outlawspam.com
 outlook.com
 outlook.in
 over-the-rainbow.com
@@ -3673,7 +3540,6 @@ pakistanmail.com
 pakistanoye.com
 palestinemail.com
 pancakemail.com
-pancakemail.com
 paplease.com
 parkjiyoon.com
 parrot.com
@@ -3709,7 +3575,6 @@ pickupman.com
 picusnet.com
 pigpig.net
 pimpedupmyspace.com
-pimpedupmyspace.com
 pinoymail.com
 piracha.net
 pisem.net
@@ -3741,8 +3606,6 @@ policeoffice.com
 politikerclub.de
 polizisten-duzer.de
 poofy.org
-poofy.org
-pookmail.com
 pookmail.com
 pool-sharks.com
 poond.com
@@ -3784,7 +3647,6 @@ priest.com
 primposta.com
 primposta.hu
 privacy.net
-privacy.net
 privatdemail.net
 privy-mail.com
 pro.hu
@@ -3810,7 +3672,6 @@ public.usa.com
 publicist.com
 pulp-fiction.com
 punkass.com
-punkass.com
 purpleturtle.com
 put2.net
 putthisinyourspamdatabase.com
@@ -3876,7 +3737,6 @@ reggafan.com
 regiononline.com
 registerednurses.com
 rejectmail.com
-rejectmail.com
 reliable-mail.com
 renren.com
 repairman.com
@@ -3891,7 +3751,6 @@ rickymail.com
 rin.ru
 riopreto.com.br
 rklips.com
-rklips.com
 rmqkr.net
 rn.com
 roadrunner.com
@@ -3926,7 +3785,6 @@ saeuferleber.de
 safarimail.com
 safe-mail.net
 safersignup.de
-safersignup.de
 safetymail.info
 safetypost.de
 sagra.lu
@@ -4008,14 +3866,12 @@ shmeriously.com
 shootmail.com
 shortmail.com
 shortmail.net
-shortmail.net
 shotgun.hu
 shuf.com
 sialkotcity.com
 sialkotian.com
 sialkotoye.com
 sibmail.com
-sibmail.com
 sify.com
 silkroad.net
 sina.cn
@@ -4035,7 +3891,6 @@ skizo.hu
 slamdunkfan.com
 slapsfromlastnight.com
 slaskpost.se
-slaskpost.se
 slingshot.com
 slo.net
 slopsbox.com
@@ -4053,7 +3908,6 @@ snail-mail.ney
 snakemail.com
 sndt.net
 sneakemail.com
-sneakemail.com
 sneakmail.de
 snet.net
 sniper.hu
@@ -4063,18 +3917,15 @@ snowboarding.com
 snowdonia.net
 socamail.com
 socceramerica.net
-socceramerica.net
 soccermail.com
 soccermomz.com
 sociologist.com
 sofimail.com
 sofort-mail.de
-sofort-mail.de
 sofortmail.de
 softhome.net
 softpls.asia
 sogetthis.com
-sogetthis.com
 sogou.com
 sohu.com
 sol.dk
@@ -4096,18 +3947,13 @@ spacemart.com
 spacetowns.com
 spacewar.com
 spam.la
-spam.la
 spam.su
 spam4.me
 spamail.de
 spamarrest.com
 spamavert.com
-spamavert.com
-spambob.com
 spambob.com
 spambob.net
-spambob.net
-spambob.org
 spambob.org
 spambog.*
 spambog.com
@@ -4117,66 +3963,49 @@ spambog.ru
 spambox.info
 spambox.irishspringrealty.com
 spambox.us
-spambox.us
 spamcannon.com
 spamcannon.net
 spamcero.com
 spamcon.org
-spamcon.org
 spamcorptastic.com
 spamcowboy.com
 spamcowboy.net
 spamcowboy.org
 spamday.com
-spamday.com
 spameater.com
 spameater.org
 spamex.com
-spamex.com
 spamfree.eu
 spamfree24.com
-spamfree24.com
 spamfree24.de
 spamfree24.eu
 spamfree24.info
 spamfree24.net
-spamfree24.net
-spamfree24.org
 spamfree24.org
 spamgoes.in
 spamgourmet.com
-spamgourmet.com
 spamgourmet.net
 spamgourmet.org
 spamgrube.net
 spamherelots.com
 spamhereplease.com
 spamhole.com
-spamhole.com
 spamify.com
-spamify.com
-spaminator.de
 spaminator.de
 spamkill.info
 spaml.com
-spaml.com
 spaml.de
 spammote.com
-spammote.com
-spammotel.com
 spammotel.com
 spammuffel.de
 spamobox.com
 spamoff.de
-spamoff.de
 spamreturn.com
 spamslicer.com
-spamslicer.com
 spamspot.com
 spamthis.co.uk
 spamthisplease.com
 spamtrail.com
-spamtrail.com
 spamtroll.net
 spartapiet.com
 spazmail.com
@@ -4314,10 +4143,8 @@ tempemail.biz
 tempemail.co.za
 tempemail.com
 tempemail.net
-tempemail.net
 tempinbox.co.uk
 tempinbox.com
-tempinbox.com
 tempmail.eu
 tempmail.it
 tempmail2.com
@@ -4326,12 +4153,9 @@ tempmailer.com
 tempmailer.de
 tempomail.fr
 temporarily.de
-temporarily.de
 temporarioemail.com.br
 temporaryemail.net
 temporaryforwarding.com
-temporaryforwarding.com
-temporaryinbox.com
 temporaryinbox.com
 temporarymailaddress.com
 tempthe.net
@@ -4480,7 +4304,6 @@ trash-amil.com
 trash-mail.at
 trash-mail.com
 trash-mail.de
-trash-mail.de
 trash2009.com
 trashbox.eu
 trashdevil.com
@@ -4488,13 +4311,9 @@ trashdevil.de
 trashemail.de
 trashmail.at
 trashmail.com
-trashmail.com
-trashmail.de
 trashmail.de
 trashmail.me
 trashmail.net
-trashmail.net
-trashmail.org
 trashmail.org
 trashmail.ws
 trashmailer.com
@@ -4524,10 +4343,8 @@ turboprinz.de
 turboprinzessin.de
 turkey.com
 turual.com
-turual.com
 twc.com
 twinmail.de
-twinmail.de
 twinstarsmail.com
 twoweirdtricks.com
 tycoonmail.com
@@ -4580,8 +4397,6 @@ uolmail.com
 uomail.com
 upf.org
 upliftnow.com
-upliftnow.com
-uplipht.com
 uplipht.com
 ureach.com
 urgentmail.biz
@@ -4606,7 +4421,6 @@ vcmail.com
 velnet.co.uk
 velocall.com
 venompen.com
-venompen.com
 verizon.net
 verizonmail.com
 verlass-mich-nicht.de
@@ -4614,12 +4428,8 @@ veryfast.biz
 veryrealemail.com
 veryspeedy.net
 viditag.com
-viditag.com
-viewcastmedia.com
 viewcastmedia.com
 viewcastmedia.net
-viewcastmedia.net
-viewcastmedia.org
 viewcastmedia.org
 vinbazar.com
 violinmakers.co.uk