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Earthlink has IP filtering enabled. This means that if you're connected through another ISP and try to send email through Earthlink's mail servers, you'll receive an error.

A recent change Earthlink has made is the addition of "smtpauth.earthlink.net". This is an SMTP mail server that requires a user to "authenticate" or "log in" to it in order to *send* mail. This is ideal for users who connect via a different ISP other than Earthlink's, as in at work or when traveling.

To use it, simply replace the smtp server entry you currently have. Also, you must specify that this server requires outgoing authentication. Current versions of Outlook Express, Eudora, Netscape/Mozilla, and likely others support this feature. Finally, you need to enter your full email address and email password in the appropriate locations for the outgoing authentication.

Finally, some ISP's (including Earthlink) have implemented port 25 blocking. This means that they could restrict you from using any other ISP's SMTP server while you are connected through them. This means that none of Earthlink's standard mail servers, including the smtpauth.earthlink.net server, will work, and you will need to use your ISP's outgoing mail server in order to send email unless you use alternate port 587 with ASMTP (see note below).

»EarthLink DSL FAQ »Trouble Sending Mail? - Earthlink SMTP Servers

[Thanks to Hall See Profile]

NOTE: You may have to use the alternate email port 587 if the ISP you are using also blocks port 25 outbound. Check the FAQ links below for help as needed [Thanks to Doctor Olds See Profile]

Authenticated SMTP - Setting Up Your Email Program for Your EarthLink Email Address

Configuring Eudora 6.2 To Use Authenticated SMTP

How to Configure the SMTP Port to Port 587 in Outlook 2002 / 2003

How to Configure the SMTP Port to Port 587 in Outlook 2000

How to Configure the SMTP Port to Port 587 in Netscape 7.0

How to Configure Outlook 2000 for SMTP Authentication

How to Configure Outlook Express 5.0/6.0 for SMTP Authentication

Mail for Mac OS X - Configuring SMTP Authentication

How to Configure Netscape 7 for Macintosh for SMTP Authentication

How to Configure Mail for Mac OS X (10.2) for SMTP Authentication

Eudora 5.2 for Mac OS X and Mac Classic: Configuring for SMTP Authentication

How to Configure Entourage 2001 for SMTP Authentication

How to Configure Outlook Express 5.06 for Macintosh for SMTP Authentication

How to Configure Entourage for Mac OS X for SMTP Authentication


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by Exodus See Profile edited by Doctor Olds See Profile
last modified: 2013-01-31 16:30:00