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Date:	Sun, 18 Jan 2004 12:09:56 PST8
From:	Peter Skye <pskye@peterskye.com >
Reply-To:	scoug-help@scoug.com
To:	scoug-help@scoug.com
Subject:	SCOUG-Help: SIO2K mailbox (was: Please HELP needed with ...)

Content Type: text/plain

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i-lists wrote:
>
> - These recipients of your message have
> been processed by the mail server:
> thinkpad@stderr.org; Failed; 5.4.0
> (other or undefined network or routing status)
>
> - These recipients of your message have
> been processed by the mail server:
> sio2k@gwinn.com; Failed; 5.1.1
> (bad destination mailbox address)

The 5.1.1 and 5.4.0 might be referring to sections in the SMTP (Simple
Mail Transfer Protocol) RFC. Go to rfc-editor.org and look at the four
likely RFCs -- 821, 822, 2821 and 2822.

>From the error messages above (I didn't look in the RFCs) it appears
that the MX record for stderr.org wasn't valid and that the mail server
at gwinn.com didn't have a mailbox for "sio2k".

> Remote MTA gwinn.com: SMTP diagnostic:
> 550 ...
> User unknown

The 550 is an error code which is explained in the RFCs. Apparently Ray
Gwinn no longer has an "sio2k" mailbox at gwinn.com. You can telnet to
his mail server and ask it directly if "sio2k" is a valid mailbox.

Here is the registration record for gwinn.com which shows two DNS you
may use. I've anti-spammed his email address. You might want to send
him an actual letter -- he may have removed his "sio2k" mailbox because
he's not doing anything more with the program.

Registrant:
The Software Division (GWINN-DOM)
26 Tanager Place
Beckley, WV 25801
US

Domain Name: GWINN.COM

Administrative Contact, Technical Contact:
Gwinn, Ray (RG112) ray !AT! GWINN.COM
The Software Division
26 TANAGER PL
BECKLEY, WV 25801-3612
US
304-252-2848 fax: 304-255-7902

Record expires on 25-Aug-2008.
Record created on 26-Aug-1994.
Database last updated on 18-Jan-2004 14:56:47 EST.

Domain servers in listed order:

NS1.GWINN.COM 199.248.240.3
NS2.MOUNTAINSTATE.EDU 204.126.254.3

> I have already contacted my Domain ISP's Support and
> learnt that I shall inform the other party something
> about MX !?!?!? What are they speaking about ??

The MX record is the Mail Exchanger record held in a DNS server. When
your email program wants to know the dotted decimal (x.x.x.x) IP address
for a mail address, it asks a DNS server for the MX record which
contains that domain's email server's dotted decimal address. Note that
the mail server is often on a different machine than the HTTP server and
these two servers will then have different IP addresses even though they
have the same domain name. The MX record supplies the IP address of the
mail server machine.

If you think it's a DNS problem, use OS/2's NSLOOKUP to see if you can
get an MX record for gwinn.com from your ISP's DNS. If you can't,
change your network settings so a different DNS server is used -or- send
directly to his mail server by using the IP address instead of the
domain name. The DNS servers don't appear to check to see if you're
supposed to be using them or not so you can probably use any ISP's DNS.

- Peter

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