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Support: Technical Support: Email FAQs

The following table is a list of Internet Service Providers (ISPs) that require their customers to send out email messages using their own SMTP servers, rather than using mail.YOUR DOMAIN.com provided by iMatrix.

ISP Website Contact Info SMTP Settings
AOL http://www.aol.com/ 1.800.827.3338 can't change: use AOL mail, or forward domain based email to AOL account.
AT&T http://www.att.net/ No information mailhost.worldnet.att.net (if dialed in to an AT&T POP)
imailhost.worldnet.att.net (if using another network)
AT&T Business
Internet Services
http://www.attglobal.net/ 800.821.4612 or
www.attglobal.net/hlpctr
/report-xxinet.html or help.attbusiness.net
smtp1.attglobal.net
smtp2.attglobal.net
Bell Atlantic http://www.bellatlantic.net/ (verizon) 1.800.567.6789 smtpout.verizon.net
Bellsouth http://www.bellsouth.net/ 1.877.562.4414 contact ISP
Comcast http://www.comcastonline.com/ 1.888.793.9800 Contact ISP
Compuserve http://www.compuserve.com/ 1.800.944.9871 smtp.compuserve.com
Concentric http://www.concentric.net/ (xo.com) 1.800.745.2747 smtp.concentric.net
Crosslink http://www.crosslink.net/ 1.703.642.1120 smtp.crosslink.net
DMV http://www.dmv.com/ 1.410.749.7898 mail-gw.dmv.com
Earthlink http://www.earthlink.com/ 1.800.890.5128 or
help.earthlink.net
mail.earthlink.net
Excite@Home (see Comcast) (see Comcast) mail
Genuity http://www.genuity.com/ 1.800.GENUITY
ops@genuity.com
contact ISP
Ixpress.com http://www.ixpress.com/ 1.858.623.0292 smtp.ixpres.com
Juno http://www.juno.com/ 1.800.586.6889 contact ISP
Mindspring http://www.mindspring.com/ (earthlink.net) 1.800.719.4660 smtp.mindspring.com
Nauticom http://www.nauticom.net/ 1.800.746.6283 mail.nauticom.net
Netcom (see Earthlink) smtp.netcom.com
PSI.net http://www.psi.net/ 1.877.774.8633 relay.smtp.psi.net
SBC Yahoo http://www.sbc.com/ Port 25 Blocking; server requires authentication for smtp server smtp.sbcglobal.yahoo.com
Sprynet (see Earthlink) smtp.sprynet.com
Starpower http://www.starpower.net/ 1.800.746.4726 smtp.starpower.net
Sysnet http://www.sysnet.net/ 1.301.664.6000 mail.sysnet.net
UMBC http://www.umbc.edu/ 1.410.455.3838 smtp.gl.umbc.edu
UUNet http://www.uu.net/
http://www.wcom.net/
1.800.900.0241 mail.uu.net
Verizon http://www.bellatlantic.net/ (verizon) 1.800.567.6789 smtpout.verizon.net
XO http://www.concentric.net/ (xo.com) 1.800.745.2747 smtp.concentric.net

 

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