A home-hobbyist tries to set up sendmail. (No, I'm
sticking with sendmail for now for obscure reasons of
my own, please spare us comments on alternatives.)
Mail to redhat gets a "reason: 550 5.0.0 You must use
a valid mail server" in response:
------------
The original message was received at Thu, 13 Nov 2003
14:25:15 -0500
from paulgillen.riveralph.com [192.168.1.3]
----- The following addresses had permanent fatal
errors -----
<webmaster@xxxxxxxxxx>
(reason: 550 5.0.0 You must use a valid mail
server)
----- Transcript of session follows -----
... while talking to mx1.redhat.com.:
>>> MAIL From:<Paul_Gillen@xxxxxxxxxxxxx>
<<< 550 5.0.0 You must use a valid mail server
554 5.0.0 Service unavailable
-------------------------
Reporting-MTA: dns; www.riveralph.com
Received-From-MTA: DNS; paulgillen.riveralph.com
Arrival-Date: Thu, 13 Nov 2003 14:25:15 -0500
Final-Recipient: RFC822; webmaster@xxxxxxxxxx
Action: failed
Status: 5.0.0
Diagnostic-Code: SMTP; 550 5.0.0 You must use a valid
mail server
Last-Attempt-Date: Thu, 13 Nov 2003 14:25:16 -0500
====================================
Presumably this is all DNS related.
Noting:
Reporting-MTA: dns; www.riveralph.com
Received-From-MTA: DNS; paulgillen.riveralph.com
Using nslookup (I know, I know) and setting the server
to an Earthlink DNS server, for www.riveralph.com we
get:
> set type=any
> www.riveralph.com
Server: [207.69.188.185]
Address: 207.69.188.185
Non-authoritative answer:
www.riveralph.com internet address =
66.47.111.74
riveralph.com nameserver = dns11.register.com
riveralph.com nameserver = dns12.register.com
riveralph.com nameserver = www.riveralph.com
dns11.register.com internet address =
216.21.234.76
dns12.register.com internet address =
216.21.226.76
www.riveralph.com internet address =
66.47.111.74
For paulgillen.riveralph.com we get:
> paulgillen.riveralph.com
Server: [207.69.188.185]
Address: 207.69.188.185
Non-authoritative answer:
paulgillen.riveralph.com internet address =
192.168.1.3
riveralph.com nameserver = 207.69.188.186
riveralph.com nameserver = ns.riveralph.com
riveralph.com nameserver = 207.69.188.185
>
Looking for the mail exhanger we get:
> set type=mx
> riveralph.com
Server: [207.69.188.185]
Address: 207.69.188.185
Non-authoritative answer:
riveralph.com MX preference = 10, mail exchanger =
www.riveralph.com
riveralph.com nameserver = ns.riveralph.com
riveralph.com nameserver = 207.69.188.185
riveralph.com nameserver = 207.69.188.186
>
================================
Anyhow, both the MTAs, "www" the SMTP host and
"paulgillen" the POP3 client, appear to be valid and
resolvable.
What am I missing? (Besides a few marbles for even
attempting this.)
=Paul=
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