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  • From: "Colleen McCarthy" <cmccarthy1 AT nc.rr.com>
  • To: "'Internetworkers: http://www.ibiblio.org/internetworkers/'" <internetworkers AT lists.ibiblio.org>
  • Subject: RE: [internetworkers] Last Question of the Day
  • Date: Thu, 6 May 2004 17:03:40 -0400

Thanks to all for the explanations! Colleen

Colleen McCarthy, MT(ASCP), BSEE, MBA, PMP
LIS Administrator
Laboratory Information Services
UNC Hospitals/McLendon Clinical Labs
1106 East Wing
Chapel Hill, NC 27514
email: camccart AT unch.unc.edu
phone: 919-966-2059 beeper 216-1995
fax: 919-966-6407
home phone 919-460-0641




-----Original Message-----
From: internetworkers-bounces AT lists.ibiblio.org
[mailto:internetworkers-bounces AT lists.ibiblio.org]On Behalf Of Ron
Thigpen
Sent: Thursday, May 06, 2004 4:44 PM
To: Internetworkers: http://www.ibiblio.org/internetworkers/
Subject: Re: [internetworkers] Last Question of the Day


Colleen McCarthy wrote:

> Does anyone know why, when I'm VPNed into work from home, I can receive
> email on my RoadRunner account but not send? Thanks! Colleen

Yes.

RR POP3 has user authentication. When you pick up your mail you
provide a username and password that identify you as having a valid RR
account. where you are on the greater network doesn't figure in; if you
have valid credentials, they will allow you to interact with the POP
server.

RR SMTP is configured differently. You provide an account name
(username), but are not asked for a password. Rather than authenticate
a session by password, the server filters incoming requests by network
location. Only senders that are within the RR network are allowed to
send mail. When you are on VPN, you are tunneling into the corporate
network, and that is where the SMTP server sees your mail as
originating. The account name only associates the outbound mail with
your account.

Until RR put in new mail servers a few months back they did provide SMTP
authentication and users could send from other networks by providing a
password. I was sorry to see this change.

It is my understanding the Earthlink-over-RR cable service does provide
SMTP auth. Only inertia has kept me from making the switch.

--rt

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