Sometimes is is necessary to use your ISP's outgoing mail server due to strict anti-spam measures by some ISP's. Many ISP's have resorted to blocking port 25 (the standard outgoing SMTP port).
Here is a list of ISP's and their outgoing mail servers:
| Carrier | Server Address | ||
|---|---|---|---|
| Adelphia | mail.adelphia.net | ||
| America Online (AOL) | smtp.aol.com | ||
| Atlantic Broadband | smtp.atlanticbb.net | ||
| AT&T (Broadband) | mail.attbi.com | ||
| AT&T (Dialup) | smtp1.attglobal.net | ||
| AT&T Worldnet | mailhost.worldnet.att.net or imailhost.worldnet.att.net | ||
| BCPL | mail.bcpl.net | ||
| Bellatlantic | gtei.bellatlantic.net or smtpout.verizon.net | ||
| Bellatlantic.net | smtpout.bellatlantic.net | ||
| Bellsouth | mail.bellsouth.net | ||
| Bestweb | smtp.bestweb.net | ||
| Blazenet | smtp.blazenet.net | ||
| Cable One | mail.cableone.net | ||
| CAIS | smtp.cais.net | ||
| CAPU | smtp.capu.net | ||
| Charm.net | smtp.charm.net | ||
| Charter Communications | smtp.charter.net | ||
| Comcast | smtp.comcast.net | ||
| Compuserve | smtp.compuserve.com or smtp.site1.csi.com | ||
| Concentric.net | smtp.concentric.net | ||
| Covad | smtp.covad.net | ||
| Cox West | smtp.west.cox.net(west coast users) | ||
| Cox Central | smtp.central.cox.net (central users) | ||
| Cox East | smtp.east.cox.net(east coast users) | ||
| Cox Business | smarthost.coxmail.com | ||
| Crosslink | smtp.crosslink.net | ||
| DCANET | smtp-relay.dca.net | ||
| Delmarva Online | mail-gw.dmv.com | ||
| Delta Net | smtp.deltanet.com | ||
| Direcway | smtp.direcway.com | ||
| DSL Extreme | smtp.dslextreme.com | ||
| Earthlink Network | mail.earthlink.net or smtp.earthlink.net | ||
| Earthlink Network (International only) |
ismtp.earthlink.net | ||
| Edge.net | mail.edge.net | ||
| Enter | smtp.enter.net | ||
| EROLS | mail.erols.com | ||
| Ezy | smtp.ezy.net | ||
| Flashcom | mail.flashcom.net or smtp.flashcom.net | ||
| Frontline.net | smtp.fcc.net | ||
| Gateway.net | smtp.Gateway.net | ||
| GTI | mail.gti.net | ||
| HotMail | mail.hotmail.com | ||
| IBM.Global net | smtp1.ibm.net | ||
| ioNet Inc | mail.ionet.net | ||
| Interaccess.com | smtp.interaccess.com | ||
| Internet America | mail.airmail.net | ||
| ITOL | mail.itol.com | ||
| Juno | smtp.juno.com | ||
| Mediacom | mail.mchsi.com | ||
| Mediaone.net | smtp.ce.medione.net | ||
| MegaPath | mail.megapathdsl.net | ||
| MCI | mailrelay.mciworldcom.net mailrelay.internetmci.com | ||
| Mindspring | smtp.mindspring.com | ||
| MSN | smtp.email.msn.com | ||
| Nauticom | mail.nauticom.net | ||
| Netcom | smtp.ix.netcom.com | ||
| Netcom (Canada) | smtp.netcom.ca | ||
| Netscape | smtp.isp.netscape.com | ||
| NetZero | smtp.netzero.net | ||
| NYU.edu | smtp.nyu.edu | ||
| OLG.com | mail.olg.com | ||
| OPTOnline Internet Service | mail.optonline.net | ||
| Pacbell | mail.pacbell.net | ||
| Patriot Media | smtp.patmedia.net | ||
| Pipeline | smtp.pipeline.com | ||
| Prodigy | smtp.prodigy.net | ||
| PSI.net | relay.smtp.psi.net | ||
| PTD.net | promail.ptd.net port 25 | ||
| QIS | mail.qis.net | ||
| Qwest Internet Service | pop.dnvr.qwest.net | ||
| RCN | smtp.rcn.com | ||
| Rider.edu | enigma.rider.edu | ||
| RoadRunner | smtp-server.
|
||
| SBC Global | smtp.sbcglobal.net | ||
| SBC Global Yahoo | smtp.sbcglobal.yahoo.com | ||
| Smallville Communications | mail.toto.net | ||
| SNiP | mail.snip.net | ||
| Spectrum DSL | mail.webstable.com | ||
| SprintLink | smtp.a001.sprintmail.com | ||
| Sprynet | m6.sprynet.com | ||
| Starpower | smtp.starpower.net | ||
| Sympatico | mailhost.sk.sympatico.ca | ||
| UMBC | smtp.gl.umbc.edu | ||
| USA.NET | mail.netaddress.usa.net | ||
| US Internet | smtp.usit.net | ||
| UUNet | mail.uu.net | ||
| Verizon Internet Services | outgoing.verizon.net or smtpout.verizon.net | ||
| Wide Open West | smtp.mail.wideopenwest.com | ||
| XO Communications | mail.njd.xo.com or smtp.concentric.net | ||
| Yahoo | smtp.mail.yahoo.com | ||
| Ziplink | smtp.ziplink.net |