text: from typing import Text
  
  def is_reserved_subdomain(subdomain):
      # type: (Text) -> bool
      if subdomain in ZULIP_RESERVED_SUBDOMAINS:
          return True
      if subdomain[-1] == 's' and subdomain[:-1] in ZULIP_RESERVED_SUBDOMAINS:
          return True
      if subdomain in GENERIC_RESERVED_SUBDOMAINS:
          return True
      if subdomain[-1] == 's' and subdomain[:-1] in GENERIC_RESERVED_SUBDOMAINS:
          return True
      return False
  
  def is_disposable_domain(domain):
      # type: (Text) -> bool
      return domain.lower() in DISPOSABLE_DOMAINS
  
  ZULIP_RESERVED_SUBDOMAINS = frozenset([
      # zulip terms
      'stream', 'channel', 'topic', 'thread', 'installation', 'organization', 'realm',
      'team', 'subdomain', 'activity', 'octopus', 'acme', 'push',
      # machines
      'zulipdev', 'localhost', 'staging', 'prod', 'production', 'testing', 'nagios', 'nginx',
      # website pages
      'server', 'client', 'features', 'integration', 'bot', 'blog', 'history', 'story',
      'stories', 'testimonial', 'compare', 'for', 'vs',
      # competitor pages
      'slack', 'mattermost', 'rocketchat', 'irc', 'twitter', 'zephyr', 'flowdock', 'spark',
      'skype', 'microsoft', 'twist', 'ryver', 'matrix', 'discord', 'email', 'usenet',
      # zulip names
      'zulip', 'tulip', 'humbug',
      # platforms
      'plan9', 'electron', 'linux', 'mac', 'windows', 'cli', 'ubuntu', 'android', 'ios',
      # floss
      'contribute', 'floss', 'foss', 'free', 'opensource', 'open', 'code', 'license',
      # intership programs
      'intern', 'outreachy', 'gsoc', 'gci', 'externship',
      # tech blogs
      'engineering', 'infrastructure', 'tooling', 'tools', 'javascript', 'python'])
  
  # Most of this list was curated from the following sources:
  # http://wiki.dwscoalition.org/notes/List_of_reserved_subdomains (license: CC-BY-SA 3.0)
  # http://stackoverflow.com/questions/11868191/which-saas-subdomains-to-block (license: CC-BY-SA 2.5)
  GENERIC_RESERVED_SUBDOMAINS = frozenset([
      'about', 'abuse', 'account', 'ad', 'admanager', 'admin', 'admindashboard',
      'administrator', 'adsense', 'adword', 'affiliate', 'alpha', 'anonymous',
      'api', 'assets', 'audio', 'badges', 'beta', 'billing', 'biz', 'blog',
      'board', 'bookmark', 'bot', 'bugs', 'buy', 'cache', 'calendar', 'chat',
      'clients', 'cname', 'code', 'comment', 'communities', 'community',
      'contact', 'contributor', 'control', 'coppa', 'copyright', 'cpanel', 'css',
      'cssproxy', 'customise', 'customize', 'dashboard', 'data', 'demo', 'deploy',
      'deployment', 'desktop', 'dev', 'devel', 'developer', 'development',
      'discussion', 'diversity', 'dmca', 'docs', 'donate', 'download', 'e-mail',
      'email', 'embed', 'embedded', 'example', 'explore', 'faq', 'favorite',
      'favourites', 'features', 'feed', 'feedback', 'files', 'forum', 'friend',
      'ftp', 'general', 'gettingstarted', 'gift', 'git', 'global', 'graphs',
      'guide', 'hack', 'help', 'home', 'hostmaster', 'https', 'icon', 'im',
      'image', 'img', 'inbox', 'index', 'investors', 'invite', 'invoice', 'ios',
      'ipad', 'iphone', 'irc', 'jabber', 'jars', 'jobs', 'join', 'js', 'kb',
      'knowledgebase', 'launchpad', 'legal', 'livejournal', 'lj', 'login', 'logs',
      'm', 'mail', 'main', 'manage', 'map', 'media', 'memories', 'memory',
      'merchandise', 'messages', 'mobile', 'my', 'mystore', 'networks', 'new',
      'newsite', 'official', 'ogg', 'online', 'order', 'paid', 'panel', 'partner',
      'partnerpage', 'pay', 'payment', 'picture', 'policy', 'pop', 'popular',
      'portal', 'post', 'postmaster', 'press', 'pricing', 'principles', 'privacy',
      'private', 'profile', 'public', 'random', 'redirect', 'register',
      'registration', 'resolver', 'root', 'rss', 's', 'sandbox', 'school',
      'search', 'secure', 'servers', 'service', 'setting', 'shop', 'shortcuts',
      'signin', 'signup', 'sitemap', 'sitenews', 'sites', 'sms', 'smtp', 'sorry',
      'ssl', 'staff', 'stage', 'staging', 'stars', 'stat', 'static', 'statistics',
      'status', 'store', 'style', 'support', 'surveys', 'svn', 'syn',
      'syndicated', 'system', 'tag', 'talk', 'team', 'termsofservice', 'test',
      'testers', 'ticket', 'tool', 'tos', 'trac', 'translate', 'update',
      'upgrade', 'uploads', 'use', 'user', 'username', 'validation', 'videos',
      'volunteer', 'web', 'webdisk', 'webmail', 'webmaster', 'whm', 'whois',
      'wiki', 'www', 'www0', 'www8', 'www9', 'xml', 'xmpp', 'xoxo'])
  
  # Version 1.0.10 of https://github.com/ivolo/disposable-email-domains/blob/master/index.json
  # MIT License
  DISPOSABLE_DOMAINS = frozenset([
      "0-mail.com", "027168.com", "0815.ru", "0815.su", "0clickemail.com", "0wnd.net", "0wnd.org",
      "10mail.org", "10minutemail.cf", "10minutemail.co.za", "10minutemail.com", "10minutemail.de",
      "10minutemail.ga", "10minutemail.gq", "10minutemail.ml", "10minutemail.net", "10minutemail.us",
      "123-m.com", "12minutemail.com", "1ce.us", "1chuan.com", "1mail.ml", "1pad.de", "1zhuan.com",
      "2-ch.space", "20email.eu", "20mail.in", "20mail.it", "20minutemail.com", "21cn.com",
      "24hourmail.com", "2ch.coms.hk", "2prong.com", "30minutemail.com", "33mail.com",
      "3d-painting.com", "3mail.ga", "4mail.cf", "4mail.ga", "4warding.com", "4warding.net",
      "4warding.org", "5mail.cf", "5mail.ga", "60minutemail.com", "675hosting.com", "675hosting.net",
      "675hosting.org", "6ip.us", "6mail.cf", "6mail.ga", "6mail.ml", "6paq.com", "6url.com",
      "75hosting.com", "75hosting.net", "75hosting.org", "7days-printing.com", "7mail.ga", "7mail.ml",
      "7tags.com", "8mail.cf", "8mail.ga", "8mail.ml", "99experts.com", "9mail.cf", "9ox.net",
      "a-bc.net", "a.betr.co", "a.wxnw.net", "a45.in", "abusemail.de", "abyssmail.com", "ac20mail.in",
      "acentri.com", "add3000.pp.ua", "advantimo.com", "afrobacon.com", "ag.us.to", "agedmail.com",
      "ahk.jp", "ajaxapp.net", "alivance.com", "amail.com", "amilegit.com", "amiri.net",
      "amiriindustries.com", "anappthat.com", "ano-mail.net", "anonbox.net", "anonymail.dk",
      "anonymbox.com", "anotherdomaincyka.tk", "antichef.com", "antichef.net", "antispam.de",
      "antonelli.usa.cc", "appixie.com", "armyspy.com", "art-en-ligne.pro", "arur01.tk",
      "arurgitu.gq", "asdasd.nl", "ass.pp.ua", "aver.com", "avia-tonic.fr", "azazazatashkent.tk",
      "azmeil.tk", "bareed.ws", "barryogorman.com", "baxomale.ht.cx", "beddly.com", "beefmilk.com",
      "belastingdienst.pw", "big1.us", "bigprofessor.so", "bigstring.com", "binkmail.com",
      "bio-muesli.net", "bione.co", "bladesmail.net", "blogmyway.org", "blutig.me", "bobmail.info",
      "bodhi.lawlita.com", "bofthew.com", "bootybay.de", "boun.cr", "bouncr.com", "boxformail.in",
      "boximail.com", "boxtemp.com.br", "breadtimes.press", "brefmail.com", "brennendesreich.de",
      "broadbandninja.com", "bsnow.net", "bst-72.com", "btcmail.pw", "bu.mintemail.com",
      "buffemail.com", "bugmenot.com", "bumpymail.com", "bund.us", "bundes-li.ga", "burnthespam.info",
      "burstmail.info", "buyusedlibrarybooks.org", "byom.de", "c.hcac.net", "c2.hu", "c51vsgq.com",
      "cachedot.net", "cartelera.org", "casualdx.com", "cbair.com", "ce.mintemail.com", "cellurl.com",
      "centermail.com", "centermail.net", "chacuo.net", "chammy.info", "cheatmail.de",
      "chechnya.conf.work", "chogmail.com", "choicemail1.com", "chong-mail.com", "chong-mail.net",
      "chong-mail.org", "ckaazaza.tk", "clixser.com", "clrmail.com", "cmail.com", "cmail.net",
      "cmail.org", "cnn.coms.hk", "cobarekyo1.ml", "coldemail.info", "consumerriot.com",
      "contrasto.cu.cc", "cool.fr.nf", "correo.blogos.net", "cosmorph.com", "courriel.fr.nf",
      "courrieltemporaire.com", "crapmail.org", "crazespaces.pw", "crazymailing.com", "cubiclink.com",
      "curryworld.de", "cust.in", "cuvox.de", "cx.de-a.org", "cyber-innovation.club",
      "cyber-phone.eu", "dacoolest.com", "daintly.com", "dandikmail.com", "dasdasdascyka.tk",
      "dayrep.com", "dbunker.com", "dcemail.com", "deadaddress.com", "deadchildren.org",
      "deadfake.cf", "deadfake.ga", "deadfake.ml", "deadfake.tk", "deadspam.com", "deagot.com",
      "dealja.com", "despam.it", "despammed.com", "devnullmail.com", "dfgh.net", "dfghj.ml",
      "dharmatel.net", "digitalsanctuary.com", "dingbone.com", "discard.cf", "discard.email",
      "discard.ga", "discard.gq", "discard.ml", "discard.tk", "discardmail.com", "discardmail.de",
      "disign-concept.eu", "disign-revelation.com", "dispomail.eu", "disposable-email.ml",
      "disposable.cf", "disposable.ga", "disposable.ml", "disposableaddress.com",
      "disposableemailaddresses.com", "disposableemailaddresses.emailmiser.com",
      "disposableinbox.com", "dispose.it", "disposeamail.com", "disposemail.com", "dispostable.com",
      "divermail.com", "divismail.ru", "dlemail.ru", "dm.w3internet.co.uk", "dodgeit.com",
      "dodgit.com", "dodgit.org", "dodsi.com", "doiea.com", "domforfb1.tk", "domforfb2.tk",
      "domforfb3.tk", "domforfb4.tk", "domforfb5.tk", "domforfb6.tk", "domforfb7.tk", "domforfb8.tk",
      "domforfb9.tk", "domozmail.com", "donemail.ru", "dontreg.com", "dontsendmespam.de",
      "dotmsg.com", "drdrb.com", "drdrb.net", "droplar.com", "dropmail.me", "duam.net", "dudmail.com",
      "dump-email.info", "dumpandjunk.com", "dumpmail.de", "dumpyemail.com", "duskmail.com",
      "dw.now.im", "dx.abuser.eu", "dx.allowed.org", "dx.awiki.org", "dx.ez.lv", "dx.sly.io",
      "e-mail.com", "e-mail.org", "e.arno.fi", "e4ward.com", "easytrashmail.com", "ecolo-online.fr",
      "ee2.pl", "eelmail.com", "einrot.com", "einrot.de", "email-fake.cf", "email-fake.ga",
      "email-fake.gq", "email-fake.ml", "email-fake.tk", "email.cbes.net", "email60.com",
      "emailage.cf", "emailage.ga", "emailage.gq", "emailage.ml", "emailage.tk", "emaildienst.de",
      "emailgo.de", "emailias.com", "emailigo.de", "emailinfive.com", "emailisvalid.com",
      "emaillime.com", "emailmiser.com", "emailproxsy.com", "emails.ga", "emailsensei.com",
      "emailspam.cf", "emailspam.ga", "emailspam.gq", "emailspam.ml", "emailspam.tk",
      "emailtemporar.ro", "emailtemporario.com.br", "emailthe.net", "emailtmp.com", "emailto.de",
      "emailwarden.com", "emailx.at.hm", "emailxfer.com", "emailz.cf", "emailz.ga", "emailz.gq",
      "emailz.ml", "emeil.in", "emeil.ir", "emil.com", "emkei.cf", "emkei.ga", "emkei.gq", "emkei.ml",
      "emkei.tk", "eml.pp.ua", "emz.net", "enterto.com", "ephemail.net", "eqiluxspam.ga",
      "est.une.victime.ninja", "etranquil.com", "etranquil.net", "etranquil.org", "everytg.ml",
      "evopo.com", "explodemail.com", "eyepaste.com", "facebook-email.cf", "facebook-email.ga",
      "facebook-email.ml", "facebookmail.gq", "facebookmail.ml", "fake-email.pp.ua", "fake-mail.cf",
      "fake-mail.ga", "fake-mail.ml", "fakeinbox.cf", "fakeinbox.com", "fakeinbox.ga", "fakeinbox.ml",
      "fakeinbox.tk", "fakeinformation.com", "fakemail.fr", "fakemailgenerator.com", "fakemailz.com",
      "fammix.com", "fansworldwide.de", "fantasymail.de", "fast-mail.fr", "fastacura.com",
      "fastchevy.com", "fastchrysler.com", "fastkawasaki.com", "fastmazda.com", "fastmitsubishi.com",
      "fastnissan.com", "fastsubaru.com", "fastsuzuki.com", "fasttoyota.com", "fastyamaha.com",
      "fatflap.com", "fbi.coms.hk", "fbmail1.ml", "fdfdsfds.com", "ficken.de", "fightallspam.com",
      "fiifke.de", "filzmail.com", "fixmail.tk", "fizmail.com", "flashbox.5july.org", "fleckens.hu",
      "flemail.ru", "flurred.com", "flyspam.com", "foodbooto.com", "footard.com", "forgetmail.com",
      "fornow.eu", "fr33mail.info", "fragolina2.tk", "frapmail.com", "frappina.tk", "frappina99.tk",
      "free-email.cf", "free-email.ga", "freelance-france.eu", "freemail.ms", "freemails.cf",
      "freemails.ga", "freemails.ml", "freemeil.ga", "freemeil.gq", "freemeil.ml", "freundin.ru",
      "friendlymail.co.uk", "front14.org", "fuckingduh.com", "fudgerub.com", "fux0ringduh.com",
      "fw.moza.pl", "g.hmail.us", "gamno.config.work", "garliclife.com", "gawab.com", "gelitik.in",
      "get-mail.cf", "get-mail.ga", "get-mail.ml", "get-mail.tk", "get.pp.ua", "get1mail.com",
      "get2mail.fr", "getairmail.cf", "getairmail.com", "getairmail.ga", "getairmail.gq",
      "getairmail.ml", "getairmail.tk", "getmails.eu", "getonemail.com", "getonemail.net",
      "ghosttexter.de", "girlsundertheinfluence.com", "gishpuppy.com", "go.irc.so", "goemailgo.com",
      "gorillaswithdirtyarmpits.com", "gotmail.com", "gotmail.net", "gotmail.org",
      "gotti.otherinbox.com", "gowikibooks.com", "gowikicampus.com", "gowikicars.com",
      "gowikifilms.com", "gowikigames.com", "gowikimusic.com", "gowikinetwork.com",
      "gowikitravel.com", "gowikitv.com", "grandmamail.com", "grandmasmail.com", "great-host.in",
      "greensloth.com", "grr.la", "gsrv.co.uk", "guerillamail.biz", "guerillamail.com",
      "guerillamail.net", "guerillamail.org", "guerrillamail.biz", "guerrillamail.com",
      "guerrillamail.de", "guerrillamail.info", "guerrillamail.net", "guerrillamail.org",
      "guerrillamailblock.com", "gustr.com", "h.mintemail.com", "h8s.org", "hacccc.com",
      "haltospam.com", "harakirimail.com", "hartbot.de", "hatespam.org", "hellodream.mobi", "herp.in",
      "hidemail.de", "hidzz.com", "hmamail.com", "hochsitze.com", "hoer.pw", "hopemail.biz",
      "hostcalls.com", "hot-mail.cf", "hot-mail.ga", "hot-mail.gq", "hot-mail.ml", "hot-mail.tk",
      "hotpop.com", "hulapla.de", "humn.ws.gy", "i.klipp.su", "i.wawi.es", "i2pmail.org",
      "ieatspam.eu", "ieatspam.info", "ieh-mail.de", "ihateyoualot.info", "iheartspam.org",
      "ikbenspamvrij.nl", "imails.info", "imgof.com", "imgv.de", "immo-gerance.info",
      "imstations.com", "inbax.tk", "inbound.plus", "inbox.si", "inboxalias.com", "inboxclean.com",
      "inboxclean.org", "inboxproxy.com", "inclusiveprogress.com", "incognitomail.com",
      "incognitomail.net", "incognitomail.org", "info-radio.ml", "inmynetwork.tk", "insorg-mail.info",
      "instant-mail.de", "instantemailaddress.com", "instantmail.fr", "ip4.pp.ua", "ip6.pp.ua",
      "ipoo.org", "irish2me.com", "iroid.com", "iwi.net", "jcpclothing.ga", "je-recycle.info",
      "jet-renovation.fr", "jetable.com", "jetable.fr.nf", "jetable.net", "jetable.org",
      "jetable.pp.ua", "jnxjn.com", "jobbikszimpatizans.hu", "jourrapide.com", "jp.ftp.sh",
      "jsrsolutions.com", "junk1e.com", "junkmail.ga", "junkmail.gq", "k.fido.be", "kanker.website",
      "kasmail.com", "kaspop.com", "keepmymail.com", "keinpardon.de", "killmail.com", "killmail.net",
      "kimsdisk.com", "kingsq.ga", "kir.ch.tc", "klassmaster.com", "klassmaster.net", "klzlk.com",
      "knol-power.nl", "kook.ml", "koszmail.pl", "kulturbetrieb.info", "kurzepost.de", "l33r.eu",
      "labetteraverouge.at", "lackmail.net", "lackmail.ru", "lags.us", "landmail.co", "laoeq.com",
      "last-chance.pro", "lastmail.co", "lastmail.com", "lazyinbox.com", "leeching.net",
      "legalrc.loan", "letthemeatspam.com", "lhsdv.com", "lifebyfood.com", "link2mail.net",
      "linkedintuts2016.pw", "litedrop.com", "liveradio.tk", "loadby.us", "login-email.cf",
      "login-email.ga", "login-email.ml", "login-email.tk", "loh.pp.ua", "lol.ovpn.to",
      "lolfreak.net", "lolito.tk", "lookugly.com", "lopl.co.cc", "lortemail.dk", "lovefall.ml",
      "lovemeleaveme.com", "lovesea.gq", "lr7.us", "lr78.com", "lroid.com", "luv2.us", "m.ddcrew.com",
      "m4ilweb.info", "maboard.com", "mail-easy.fr", "mail-filter.com", "mail-temporaire.fr",
      "mail-tester.com", "mail.by", "mail.mezimages.net", "mail.wtf", "mail114.net", "mail2rss.org",
      "mail333.com", "mail4trash.com", "mailbidon.com", "mailblocks.com", "mailbox72.biz",
      "mailbox80.biz", "mailbucket.org", "mailcat.biz", "mailcatch.com", "maildrop.cc", "maildrop.cf",
      "maildrop.ga", "maildrop.gq", "maildrop.ml", "maildx.com", "maileater.com", "mailed.ro",
      "mailexpire.com", "mailfa.tk", "mailforspam.com", "mailfree.ga", "mailfree.gq", "mailfree.ml",
      "mailfreeonline.com", "mailfs.com", "mailguard.me", "mailimate.com", "mailin8r.com",
      "mailinatar.com", "mailinater.com", "mailinator.com", "mailinator.gq", "mailinator.net",
      "mailinator.org", "mailinator.us", "mailinator2.com", "mailincubator.com", "mailismagic.com",
      "mailjunk.cf", "mailjunk.ga", "mailjunk.gq", "mailjunk.ml", "mailjunk.tk", "mailmate.com",
      "mailme.gq", "mailme.ir", "mailme.lv", "mailme24.com", "mailmetrash.com", "mailmoat.com",
      "mailnator.com", "mailnesia.com", "mailnull.com", "mailpick.biz", "mailproxsy.com",
      "mailquack.com", "mailrock.biz", "mailsac.com", "mailscrap.com", "mailseal.de", "mailshell.com",
      "mailsiphon.com", "mailslapping.com", "mailslite.com", "mailspam.usa.cc", "mailtemp.info",
      "mailtothis.com", "mailzi.ru", "mailzilla.com", "mailzilla.org", "mailzilla.orgmbx.cc",
      "makemetheking.com", "manifestgenerator.com", "manybrain.com", "mbx.cc", "mciek.com",
      "mega.zik.dj", "meinspamschutz.de", "meltmail.com", "merda.flu.cc", "merda.igg.biz",
      "merda.nut.cc", "merda.usa.cc", "messagebeamer.de", "mezimages.net", "mfsa.ru",
      "mierdamail.com", "migmail.net", "migmail.pl", "migumail.com", "mintemail.com", "mjukglass.nu",
      "moakt.com", "mobi.web.id", "mobileninja.co.uk", "moburl.com", "mohmal.com",
      "moncourrier.fr.nf", "monemail.fr.nf", "monmail.fr.nf", "monumentmail.com", "mor19.uu.gl",
      "mox.pp.ua", "ms9.mailslite.com", "msa.minsmail.com", "mt2009.com", "mt2014.com", "mt2015.com",
      "mt2016.com", "mt2017.com", "muehlacker.tk", "mvrht.com", "mx0.wwwnew.eu", "my.efxs.ca",
      "my10minutemail.com", "mycleaninbox.net", "myemailboxy.com", "mymail-in.net", "mymailoasis.com",
      "mynetstore.de", "mypacks.net", "mypartyclip.de", "myphantomemail.com", "myspaceinc.com",
      "myspaceinc.net", "myspaceinc.org", "myspacepimpedup.com", "myspamless.com", "mytemp.email",
      "mytempemail.com", "mytrashmail.com", "n.ra3.us", "n.zavio.nl", "neomailbox.com", "nepwk.com",
      "nervmich.net", "nervtmich.net", "netmails.com", "netmails.net", "netzidiot.de", "neverbox.com",
      "nice-4u.com", "nike.coms.hk", "nmail.cf", "no-spam.ws", "nobulk.com", "noclickemail.com",
      "nogmailspam.info", "nomail.xl.cx", "nomail2me.com", "nomorespamemails.com", "nonspam.eu",
      "nonspammer.de", "noref.in", "nospam.wins.com.br", "nospam.ze.tc", "nospam4.us", "nospamfor.us",
      "nospamthanks.info", "notmailinator.com", "notsharingmy.info", "nowhere.org", "nowmymail.com",
      "ntlhelp.net", "nurfuerspam.de", "nus.edu.sg", "nwldx.com", "o.oai.asia", "objectmail.com",
      "obobbo.com", "odaymail.com", "olypmall.ru", "one-time.email", "oneoffemail.com",
      "oneoffmail.com", "onewaymail.com", "online.ms", "oopi.org", "opayq.com",
      "ordinaryamerican.net", "oshietechan.link", "otherinbox.com", "ourklips.com", "outlawspam.com",
      "ovpn.to", "owlpic.com", "pagamenti.tk", "pancakemail.com", "paplease.com",
      "parlimentpetitioner.tk", "pcusers.otherinbox.com", "pepbot.com", "pepsi.coms.hk", "pfui.ru",
      "photo-impact.eu", "phpbb.uu.gl", "phus8kajuspa.cu.cc", "pimpedupmyspace.com", "pjjkp.com",
      "plexolan.de", "po.bot.nu", "poh.pp.ua", "pokemail.net", "politikerclub.de", "polyfaust.com",
      "poofy.org", "pookmail.com", "postacin.com", "premium-mail.fr", "privacy.net", "privy-mail.com",
      "privymail.de", "project-xhabbo.com", "proxymail.eu", "prtnx.com", "prtz.eu", "punkass.com",
      "puttanamaiala.tk", "putthisinyourspamdatabase.com", "pwrby.com", "qasti.com", "qisdo.com",
      "qisoa.com", "qs.dp76.com", "quickinbox.com", "quickmail.nl", "radiku.ye.vc", "rcpt.at",
      "reality-concept.club", "reallymymail.com", "receiveee.chickenkiller.com", "receiveee.com",
      "recode.me", "reconmail.com", "recursor.net", "recyclemail.dk", "regbypass.com",
      "regbypass.comsafe-mail.net", "regspaces.tk", "rejectmail.com", "remail.cf", "remail.ga",
      "resgedvgfed.tk", "rhyta.com", "rk9.chickenkiller.com", "rklips.com", "rmqkr.net",
      "rootfest.net", "royal.net", "rppkn.com", "rtrtr.com", "ruffrey.com", "rx.dred.ru", "rx.qc.to",
      "s.dextm.ro", "s.spamserver.flu.cc", "s.vdig.com", "s0ny.net", "safe-mail.net",
      "safersignup.de", "safetymail.info", "safetypost.de", "sandelf.de", "savelife.ml",
      "saynotospams.com", "scatmail.com", "schafmail.de", "secure-mail.biz", "secure-mail.cc",
      "selfdestructingmail.com", "selfdestructingmail.org", "sendspamhere.com", "servermaps.net",
      "sharedmailbox.org", "sharklasers.com", "shieldedmail.com", "shiftmail.com", "shitaway.cf",
      "shitaway.cu.cc", "shitaway.flu.cc", "shitaway.ga", "shitaway.gq", "shitaway.igg.biz",
      "shitaway.ml", "shitaway.nut.cc", "shitaway.tk", "shitaway.usa.cc", "shitmail.de",
      "shitmail.me", "shitmail.org", "shitware.nl", "shockinmytown.cu.cc", "shortmail.net",
      "shotmail.ru", "showslow.de", "sibmail.com", "siliwangi.ga", "sinnlos-mail.de",
      "siteposter.net", "skeefmail.com", "skrx.tk", "slaskpost.se", "slave-auctions.net",
      "slippery.email", "slipry.net", "slopsbox.com", "slushmail.com", "smap.4nmv.ru", "smashmail.de",
      "smellfear.com", "smellrear.com", "snakemail.com", "sneakemail.com", "snkmail.com",
      "social-mailer.tk", "sofimail.com", "sofort-mail.de", "softpls.asia", "sogetthis.com",
      "sohu.com", "soisz.com", "solar-impact.pro", "solvemail.info", "soodomail.com", "soodonims.com",
      "spam-be-gone.com", "spam.2012-2016.ru", "spam.la", "spam.su", "spam4.me", "spamavert.com",
      "spambob.com", "spambob.net", "spambob.org", "spambog.com", "spambog.de", "spambog.net",
      "spambog.ru", "spambooger.com", "spambox.info", "spambox.irishspringrealty.com", "spambox.us",
      "spamcannon.com", "spamcannon.net", "spamcero.com", "spamcon.org", "spamcorptastic.com",
      "spamcowboy.com", "spamcowboy.net", "spamcowboy.org", "spamday.com", "spamdecoy.net",
      "spamex.com", "spamfighter.cf", "spamfighter.ga", "spamfighter.gq", "spamfighter.ml",
      "spamfighter.tk", "spamfree.eu", "spamfree24.com", "spamfree24.de", "spamfree24.eu",
      "spamfree24.info", "spamfree24.net", "spamfree24.org", "spamgoes.in", "spamgourmet.com",
      "spamgourmet.net", "spamgourmet.org", "spamherelots.com", "spamhereplease.com", "spamhole.com",
      "spamify.com", "spaminator.de", "spamkill.info", "spaml.com", "spaml.de", "spammotel.com",
      "spamobox.com", "spamoff.de", "spamsalad.in", "spamserver.flu.cc", "spamslicer.com",
      "spamspot.com", "spamstack.net", "spamthis.co.uk", "spamthisplease.com", "spamtrail.com",
      "spamtroll.net", "speed.1s.fr", "sperma.cf", "spikio.com", "spoofmail.de", "spybox.de",
      "squizzy.de", "sr.ro.lt", "sraka.xyz", "ss.undo.it", "ssoia.com", "startkeys.com", "stexsy.com",
      "stinkefinger.net", "stop-my-spam.cf", "stop-my-spam.com", "stop-my-spam.ga", "stop-my-spam.ml",
      "stop-my-spam.pp.ua", "stop-my-spam.tk", "streetwisemail.com", "stuffmail.de", "sudolife.me",
      "sudolife.net", "sudomail.biz", "sudomail.com", "sudomail.net", "sudoverse.com",
      "sudoverse.net", "sudoweb.net", "sudoworld.com", "sudoworld.net", "supergreatmail.com",
      "supermailer.jp", "superrito.com", "superstachel.de", "suremail.info", "susi.ml", "svk.jp",
      "sweetxxx.de", "t.psh.me", "tafmail.com", "tagyourself.com", "talkinator.com",
      "tapchicuoihoi.com", "tarzan.usa.cc", "tarzanmail.cf", "tarzanmail.ml", "teamspeak3.ga",
      "teewars.org", "teleworm.com", "teleworm.us", "temp-mail.com", "temp-mail.de", "temp-mail.org",
      "temp.bartdevos.be", "temp.emeraldwebmail.com", "temp.headstrong.de", "tempail.com",
      "tempalias.com", "tempe-mail.com", "tempemail.biz", "tempemail.co.za", "tempemail.com",
      "tempemail.net", "tempinbox.co.uk", "tempinbox.com", "tempmail.co", "tempmail.it",
      "tempmail.us", "tempmail2.com", "tempmaildemo.com", "tempmailer.com", "tempomail.fr",
      "temporarily.de", "temporarioemail.com.br", "temporaryemail.net", "temporaryemail.us",
      "temporaryforwarding.com", "temporaryinbox.com", "tempsky.com", "tempthe.net", "tempymail.com",
      "thanksnospam.info", "thankyou2010.com", "thecloudindex.com", "thisisnotmyrealemail.com",
      "thraml.com", "thrma.com", "throam.com", "thrott.com", "throwam.com",
      "throwawayemailaddress.com", "throwawaymail.com", "tilien.com", "tittbit.in", "tmail.ws",
      "tmailinator.com", "toiea.com", "toomail.biz", "tradermail.info", "trash-amil.com",
      "trash-mail.at", "trash-mail.cf", "trash-mail.com", "trash-mail.de", "trash-mail.ga",
      "trash-mail.gq", "trash-mail.ml", "trash-mail.tk", "trash2009.com", "trash2010.com",
      "trash2011.com", "trashdevil.com", "trashdevil.de", "trashemail.de", "trashmail.at",
      "trashmail.com", "trashmail.de", "trashmail.me", "trashmail.net", "trashmail.org",
      "trashmail.ws", "trashmailer.com", "trashymail.com", "trashymail.net", "trayna.com",
      "trbvm.com", "trbvn.com", "trbvo.com", "trickmail.net", "trillianpro.com", "tryalert.com",
      "turoid.com", "turual.com", "twinmail.de", "twoweirdtricks.com", "ty.ceed.se", "tyldd.com",
      "u.10x.es", "u.2sea.org", "u.900k.es", "u.civvic.ro", "u.labo.ch", "u14269.ml", "ubismail.net",
      "uggsrock.com", "umail.net", "unmail.ru", "upliftnow.com", "uplipht.com", "uroid.com",
      "used-product.fr", "username.e4ward.com", "ux.dob.jp", "ux.uk.to", "vaasfc4.tk", "valemail.net",
      "venompen.com", "veryrealemail.com", "vfemail.net", "vickaentb.tk", "vidchart.com",
      "viditag.com", "viewcastmedia.com", "viewcastmedia.net", "viewcastmedia.org", "visa.coms.hk",
      "vkcode.ru", "vomoto.com", "vp.ycare.de", "vubby.com", "walala.org", "walkmail.net",
      "walkmail.ru", "wazabi.club", "we.qq.my", "web-contact.info", "web-emailbox.eu", "web-ideal.fr",
      "web-mail.pp.ua", "webcontact-france.eu", "webemail.me", "webm4il.info", "webuser.in", "wee.my",
      "wefjo.grn.cc", "weg-werf-email.de", "wegwerf-email-addressen.de", "wegwerf-emails.de",
      "wegwerfadresse.de", "wegwerfemail.de", "wegwerfmail.de", "wegwerfmail.info", "wegwerfmail.net",
      "wegwerfmail.org", "wegwerpmailadres.nl", "wetrainbayarea.com", "wetrainbayarea.org",
      "wfgdfhj.tk", "wh4f.org", "whatiaas.com", "whatpaas.com", "whatsaas.com", "whopy.com",
      "whtjddn.33mail.com", "whyspam.me", "wickmail.net", "wilemail.com", "willselfdestruct.com",
      "winemaven.info", "wmail.cf", "wollan.info", "worldspace.link", "wovz.cu.cc", "wr.moeri.org",
      "wronghead.com", "wuzup.net", "wuzupmail.net", "www.e4ward.com", "www.gishpuppy.com",
      "www.mailinator.com", "wwwnew.eu", "xagloo.com", "xemaps.com", "xents.com", "xing886.uu.gl",
      "xmaily.com", "xoxox.cc", "xoxy.net", "xww.ro", "xy9ce.tk", "xyzfree.net", "xzsok.com",
      "yapped.net", "yeah.net", "yep.it", "yert.ye.vc", "yogamaven.com", "yomail.info", "yopmail.com",
      "yopmail.fr", "yopmail.gq", "yopmail.net", "yopmail.pp.ua", "yordanmail.cf", "youmail.ga",
      "yourlifesucks.cu.cc", "ypmail.webarnak.fr.eu.org", "yroid.com", "yuurok.com", "z1p.biz",
      "za.com", "zaktouni.fr", "ze.gally.jp", "zehnminutenmail.de", "zeta-telecom.com", "zetmail.com",
      "zhouemail.510520.org", "zippymail.info", "zoaxe.com", "zoemail.com", "zoemail.net",
      "zoemail.org", "zomg.info", "zxcv.com", "zxcvbnm.com", "zzz.com"])
  