| ISP Name | SMTP Setting | Secure Pw | SMTP port | ISP Logon |
| Access4Less | smtp.access4less.net | N | 25 | Y |
| Ace Group Communications | mail.acegroup.cc | N | 25 | Y |
| Adelphia | mail.adelphia.net | N | 25 | Y |
| Albacom | smtp.albacom.net | N | 25 | Y |
| alise | outmail.f2s.com | N | 25 | Y |
| Alltel | mail.alltel.net | N | 25 | Y |
| Ameritech | mailhost.det.ameritech.net | N | 25 | Y |
| Archer Internet | smtp.archerserve.com | N | 25 | Y |
| AT&T | smtp.att.yahoo.com | N | 25 | Y |
| AT&T (Broadband) | mail.attbi.com | N | 25 | Y |
| AT&T Global | smtp1.attglobal.net | N | 25 | Y |
| AT&T WorldNet | mailhost.worldnet.att.net | N | 25 | Y |
| Atlantic Broadband | smtp.atlanticbb.net | N | 25 | Y |
| Auna | smtp.auna.com | N | 25 | Y |
| BCPL | mail.bcpl.net | N | 25 | Y |
| Bell Atlantic | smtpout.verizon.net | N | 25 | Y |
| Bellsouth | mail.bellsouth.net | N | 25 | Y |
| Bestweb | smtp.bestweb.net | N | 25 | Y |
| Bezeq International | mail.bezeqint.net | N | 25 | Y |
| Bitstop | pangasinan.com | N | 25 | Y |
| Blazenet | smtp.blazenet.net | N | 25 | Y |
| Bluebottle | mail.bluebottle.com | N | 25 | Y |
| Bluelight | smtp.mybluelight.com | N | 25 | Y |
| BT Internet | mail.btinternet.com | N | 25 | Y |
| BT Openworld | mail.btopenworld.com | N | 25 | Y |
| BTClick | smtp.btclick.com | N | 25 | Y |
| Cable One | mail.cableone.net | N | 25 | Y |
| CAIS | smtp.cais.net | N | 25 | Y |
| Cantv | mail.cantv.net | N | 25 | Y |
| CAPU | smtp.capu.net | N | 25 | Y |
| CBeyond (Atlanta) | mail.atl.cbeyond.com | N | 25 | Y |
| Cedar Falls Utility | mail.cfu.net | N | 25 | Y |
| cegetel | smtp.cegetel.net | N | 25 | Y |
| CFU Net | mail.cfu.net | N | 25 | Y |
| Charm.net | smtp.charm.net | N | 25 | Y |
| Charter | smtp.charter.net | N | 25 | N |
| CharterMI.net | mail.chartermi.net | N | 25 | N |
| CharterTN.net | mail.chartertn.net | N | 25 | N |
| Cinncinnati Bell | smtp.fuse.net | N | 25 | Y |
| Claranet | relay.clara.net | N | 25 | Y |
| collegeclub | collegeclub.com | N | 25 | Y |
| Columbia Power & Water | mail.cpws.net | N | 25 | Y |
| Comcast | smtp.comcast.net | N | 587 | N |
| Compuserve | smtp.compuserve.com | N | 25 | Y |
| Concentric.net | smtp.concentric.net | N | 25 | Y |
| Covad | smtp.covad.net | N | 25 | Y |
| Cox Business | smarthost.coxmail.com | N | 25 | Y |
| Cox Central | smtp.central.cox.net | N | 25 | Y |
| Cox East | smtp.east.cox.net | N | 25 | Y |
| Cox West | smtp.west.cox.net | N | 25 | Y |
| Crosslink | smtp.crosslink.net | N | 25 | Y |
| CWCom | smtp.ntlworld.com | N | 25 | Y |
| DCANet | smtp-relay.dca.net | N | 25 | Y |
| Delmarva Online | mail-gw.dmv.com | N | 25 | Y |
| Delta Net | smtp.deltanet.com | N | 25 | Y |
| Direcway | smtp.direcway.com | N | 25 | Y |
| DSL Extreme | smtp.dslextreme.com | N | 25 | Y |
| Earthlink | smtp.earthlink.net | N | 25 | Y |
| Earthlink International | ismtp.earthlink.net | N | 25 | Y |
| Earthlink Network | mail.earthlink.net | N | 25 | Y |
| Earthlink Satellite | smtp.Earthlink.net | N | 25 | Y |
| Edge.net | mail.edge.net | N | 25 | Y |
| eircom.net | mail2.eircom.net | N | 25 | Y |
| Elknet | mail.elknet.net | N | 25 | Y |
| Enter | smtp.enter.net | N | 25 | Y |
| Epix | out.epix.net | N | 25 | Y |
| EROLS | mail.erols.com | N | 25 | Y |
| Etisalat | smtp.emirates.net.ae | N | 25 | Y |
| Execpc | mailgate.execpc.com | N | 25 | Y |
| Express56 | smtp.express56.com | N | 25 | Y |
| Ezy | smtp.ezy.net | N | 25 | Y |
| FastMail | mail.messagingengine.com | N | 25 | Y |
| Flashcom | smtp.flashcom.net | N | 25 | Y |
| Forbin.net | mail.forbin.net | N | 25 | Y |
| Freedom2surf | outmail.f2s.com | N | 25 | Y |
| Frontiernet.net | smtp.frontiernet.net | N | 25 | Y |
| Frontline.net | smtp.fcc.net | N | 25 | Y |
| Fuse | smtp.fuse.net | N | 25 | Y |
| Gateway.net | smtp.Gateway.net | N | 25 | Y |
| gmail | smtp.gmail.com | N | 25 | Y |
| GMX | mail.gmx.net | N | 25 | Y |
| go.com | smtp.go.com | N | 25 | Y |
| GTI | mail.gti.net | N | 25 | Y |
| Haier Electronics | smtp.haier-electronics.com | N | 25 | Y |
| HiNet | ms1.hinet.net | N | 25 | Y |
| Hinet | msa.hinet.net | N | 25 | Y |
| Home | mail.home.com | N | 25 | Y |
| HotMail | mail.hotmail.com | N | 25 | Y |
| HotPOP.com | smtp.hotpop.com | N | 25 | Y |
| IBM.Global net | smtp1.ibm.net | N | 25 | Y |
| ibm.net | smtp1.ibm.net | N | 25 | Y |
| ic24 | smtp.ic24.net | N | 25 | Y |
| Interaccess.com | smtp.interaccess.com | N | 25 | Y |
| Internet America | mail.airmail.net | N | 25 | Y |
| inWind | mail.inwind.it | N | 25 | Y |
| ioNet Inc | mail.ionet.net | N | 25 | Y |
| Iowa Farm Bureau | mail.fbx.com | N | 25 | Y |
| IOWA Telecom | smtp.iowatelecom.net | N | 587 | Y |
| ITOL | mail.itol.com | N | 25 | Y |
| ixpres.com | smtp.ixpres.com | N | 25 | Y |
| JC.net | mail.jc.net | N | 25 | Y |
| Juno | smtp.juno.com | N | 25 | Y |
| Katamail | smtp.katamail.com | N | 25 | Y |
| Kataweb | smtp.katamail.com | N | 25 | Y |
| Lineone | smtp.lineone.net | N | 25 | Y |
| Madasafish | smtp.madasafish.com | N | 25 | Y |
| mail.quizil.net | mail.quizil.net | N | 25 | Y |
| Mailsnare | mail.mailsnare.net | N | 25 | Y |
| Maktoob Mail | mira0.maktoob.com | N | 25 | Y |
| MCI | mailrelay.internetmci.com | N | 25 | Y |
| Mediacom | mail.mchsi.com | N | 25 | Y |
| Mediaone.net | smtp.ce.medione.net | N | 25 | Y |
| MegaPath | mail.megapathdsl.net | N | 25 | Y |
| Mid Iowa | smtp.midiowa.net | N | 25 | Y |
| Mindspring | smtp.mindspring.com | N | 25 | Y |
| Mpower Com | smtp.mpowercom.net | N | 25 | Y |
| ms15.hinet.net | ms15.hinet.net | N | 25 | Y |
| MSN | smtp.email.msn.com | Y | 25 | Y |
| MSN DSL | secure.smtp.email.msn.com | N | 25 | Y |
| mtel | mail.mtel.net | N | 25 | Y |
| Nauticom | mail.nauticom.net | N | 25 | Y |
| NEBI.com | mail.nebi.com | N | 25 | Y |
| Netcom | smtp.ix.netcom.com | N | 25 | Y |
| NetEze | mail.neteze.com | N | 25 | Y |
| Netins | smtp.netins.net | N | 25 | Y |
| netscape | smtp.isp.netscape.com | N | 25 | Y |
| netvigator | mail.netvigator.com | N | 25 | Y |
| NetZero | smtp.netzero.net | N | 25 | Y |
| NTLWorld | smtp.ntlworld.com | N | 25 | Y |
| NYU.edu | smtp.nyu.edu | N | 25 | Y |
| OLG.com | mail.olg.com | N | 25 | Y |
| OneMain | smtp.onemain.com | N | 25 | Y |
| oNo | smtp.ono.com | N | 25 | Y |
| Optonline | mail.optonline.net | N | 25 | Y |
| Pacbell | mail.pacbell.net | N | 25 | Y |
| Panix.com | mailhost.panix.com | N | 25 | Y |
| Patriot Media | smtp.patriot.net | N | 25 | Y |
| PeoplePC | smtp.peoplepc.com | N | 25 | Y |
| Pipeline | smtp.pipeline.com | N | 25 | Y |
| Pipex | smtp.dsl.pipex.com | N | 25 | Y |
| pixius | smtp.citilink.com | N | 25 | Y |
| Post Man | mail.postman.net | N | 25 | Y |
| Prodigy | smtp.prodigy.net | N | 25 | Y |
| PSI.net | relay.smtp.psi.net | N | 25 | Y |
| PTD.net | mail.ptdprolog.net | N | 25 | Y |
| QIS | mail.qis.net | N | 25 | Y |
| Quixnet | smtp.quixnet.com | N | 25 | Y |
| RCN | smtp.rcn.com | N | 25 | Y |
| Rconnect | smtp.earthlink.com | N | 25 | Y |
| Richland Tel | mail.mwt.net | N | 25 | N |
| Rider.edu | enigma.rider.edu | N | 25 | Y |
| Robsoncom | smtp.robsoncom.net | N | 25 | Y |
| Rogers Hi-Speed | smtp.broadband.rogers.com | N | 25 | Y |
| RunBox | smtp.runbox.com | N | 25 | Y |
| SBC Global | smtp.sbcglobal.net | N | 25 | Y |
| SBC Global Pacbell | smtp.pacbell.yahoo.com | N | 25 | Y |
| SBC Global Prodigy | smtpauth.prodigy.net | N | 25 | Y |
| SBC Global SWBell | smtp.swbell.yahoo.com | N | 25 | Y |
| SBC Global Yahoo | smtp.sbcglobal.yahoo.com | N | 25 | Y |
| Shylex Telecom | smtp.shylex.net | N | 25 | Y |
| Smallville Com | mail.toto.net | N | 25 | Y |
| SniP | mail.snip.net | N | 25 | Y |
| softhome.net | mail.softhome.net | N | 25 | Y |
| Solvnet | solvnetmail.net | N | 25 | Y |
| Southwestern Bell | mail.swbell.net | N | 25 | Y |
| Speakeasy | mail.speakeasy.net | N | 25 | Y |
| Spectrum DSL | mail.webstable.com | N | 25 | Y |
| SprintLink | smtp.a001.sprintmail.com | N | 25 | Y |
| Sprintmail | mail.sprintmail.com | N | 25 | Y |
| SprintPCS | smtp.sprintpcs.com | N | 25 | Y |
| Sprynet | m6.sprynet.com | N | 25 | Y |
| Spymac | mail.spymac.com | N | 25 | Y |
| Starpower | smtp.starpower.net | N | 25 | Y |
| Supanet | smtp.supanet.com | N | 25 | Y |
| Sympatico | mailhost.sk.sympatico.ca | N | 25 | Y |
| TDS Metro Com | smtp.tds.net | N | 25 | Y |
| Tele2Internet | virtual.everyday.com | N | 25 | Y |
| telkom | smpt.telkom.net | N | 25 | Y |
| Telkomsa.net | smtp.telkomsa.net | N | 25 | Y |
| Telus.net | mail.telus.net | N | 25 | Y |
| Texas Masons | vipmail.Earthlink.net | N | 25 | Y |
| The-Beach.net | mail.the-beach.net | N | 25 | Y |
| Ticon | smtp.ticon.net | N | 25 | Y |
| TRX Inc | smtp.trxinc.com | N | 25 | Y |
| Tugamail | mail.tugamail.com | N | 25 | Y |
| UMBC | smtp.gl.umbc.edu | N | 25 | Y |
| unitedemailsystems | unitedemailsystems.com | N | 25 | Y |
| US Internet | smtp.usit.net | N | 25 | Y |
| USA.NET | mail.netaddress.usa.net | N | 25 | Y |
| UUNet | mail.uu.net | N | 25 | Y |
| Verio | mail.verio.net | N | 25 | Y |
| Verizon | outgoing.verizon.net | N | 25 | Y |
| Virgin | smtp.virgin.net | N | 25 | Y |
| Vispa | mail.vispa.com | N | 25 | Y |
| Waitrose | smtpmail.waitrose.com | N | 25 | Y |
| wanadoo | smtp.wanadooadsl.net | N | 25 | Y |
| Westel Com | smtp.midlands.net | N | 25 | Y |
| Which Online | mail.which.net | N | 25 | Y |
| Wide Open West | smtp.mail.wideopenwest.com | N | 25 | Y |
| www.gmail.com | smtp.gmail.com | N | 25 | Y |
| X-Privat | mail.x-privat.org | N | 25 | Y |
| XO Communications | smtp.concentric.net | N | 25 | Y |
| Ya.com | smtp.ya.com | N | 25 | Y |
| Ya.com ADSL | smtp2.adsl.ya.com | N | 25 | Y |
| Yahoo | smtp.mail.yahoo.com | N | 25 | Y |
| You 2 Square | mail.yousq.net | N | 25 | Y |
| Ziplink | smtp.ziplink.net | N | 25 | Y |
| mail.quizil.net | mail.quizil.net | | | Y |