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Re: Reverse DNS problems
From: Men & Mice Support
Date: Saturday, February 7, 2004
Time: 12:25:50 pm
<html><head><style type="text/css"><!--
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--></style><title>Re: Reverse DNS problems</title></head><body>
<div>This looks to me like a mail server configuration problem, not a
DNS configuration problem. It appears that mail delivery was attempted
to the correct mail server.</div>
<div
>____________________________________________________________________<br
>
Chris
Buxton <span
></span
> <span
></span
> <span
></span
> <span
></span> Men & Mice<br>
Customer Support
Specialist <span
></span
> <span
></span> Making DNS Easy<br>
</div>
<div>At 1:35 PM -0600 2/7/04, Larry Newman wrote:</div>
<blockquote type="cite" cite>I have 32 IP addresses (less than a Class
C) with a Birch Telecom-provided T1 and haven't been able to run a
mail server on it (I currently host e-mail for virutual domains, but I
do this on a different T1 at a colocation site). I recently had Birch
(T1 provider) add reverse DNS records on their DNS servers to
correctly handle the reverse lookups for three systems that I
eventually want to handle mail, but I am still unable to send mail
from my one mail server (jetson.world2you.net) that I currently have
on the Birch T1. When I try to send mail from an account on the
server, it tried to send, but quickly rejects with the following
message:</blockquote>
<blockquote type="cite" cite>--------------------------</blockquote>
<blockquote type="cite" cite>The original message was received at Sat,
7 Feb 2004 10:11:20 -0600</blockquote>
<blockquote type="cite" cite>from host71-250.discord.birch.net
[65.16.71.250]</blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite> ----- The following
addresses had permanent fatal errors -----</blockquote>
<blockquote type="cite" cite><newman@world2you.com></blockquote>
<blockquote type="cite" cite> (reason: 550 5.1.1
user not known)</blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite> ----- Transcript of session
follows -----</blockquote>
<blockquote type="cite" cite>... while talking to mail.world2you.com.:
<blockquote type="cite" cite>
<blockquote type="cite" cite>
<blockquote type="cite" cite>MAIL
From:<larrynewman@globalmegatrends.com> SIZE=392</blockquote>
</blockquote>
</blockquote>
</blockquote>
<blockquote type="cite" cite><<< 550 5.1.1 user not
known</blockquote>
<blockquote type="cite" cite>554 5.0.0 Service
unavailable</blockquote>
<blockquote type="cite" cite>Reporting-MTA: dns;
jetson.world2you.net</blockquote>
<blockquote type="cite" cite>Received-From-MTA: DNS;
host71-250.discord.birch.net</blockquote>
<blockquote type="cite" cite>Arrival-Date: Sat, 7 Feb 2004 10:11:20
-0600</blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite>Final-Recipient: RFC822;
newman@world2you.com</blockquote>
<blockquote type="cite" cite>Action: failed</blockquote>
<blockquote type="cite" cite>Status: 5.1.1</blockquote>
<blockquote type="cite" cite>Diagnostic-Code: SMTP; 550 5.1.1 user not
known</blockquote>
<blockquote type="cite" cite>Last-Attempt-Date: Sat, 7 Feb 2004
10:11:20 -0600</blockquote>
<blockquote type="cite" cite><font
color="#000000"><b><br></b></font></blockquote>
<blockquote type="cite" cite><font color="#000000"><b>From:</b></font>
Larry Newman <larrynewman@globalmegatrends.com></blockquote>
<blockquote type="cite" cite><font color="#000000"><b>Date:</b></font>
February 7, 2004 10:19:54 AM CST</blockquote>
<blockquote type="cite" cite><font color="#000000"><b>To:</b></font>
Larry Newman <newman@world2you.com></blockquote>
<blockquote type="cite" cite><font
color="#000000"><b>Subject:</b></font><b> test</b></blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite>test</blockquote>
<blockquote type="cite"
cite>------------------------------------------</blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite>I'm sure that I just don't understand
enough about how to set up my DNS to make this work. I run 2 DNS
servers on the Birch T1 using QuickDNS.</blockquote>
<blockquote type="cite" cite>Anyone willing to check out my setup and
recommend a solution?</blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite>Here's my current
configuration.</blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite>Mail server on 65.16.71.232. This is
jetson.world2you.net</blockquote>
<blockquote type="cite" cite>DNS servers: ns1.world2you.net on
65.16.71.230 and ns2.world2you.net on 65.16.71.234</blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite>The virtual domain I'm needing to get
working is: globalmegatrends.com</blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite>Current DNS setup:</blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite>WORLD2YOU.NET</blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite>world2you.net<x-tab>
</x-tab><x-tab>
</x-tab><x-tab>
</x-tab>NS<x-tab>
</x-tab><x-tab>
</x-tab>ns1.world2you.net</blockquote>
<blockquote type="cite" cite>world2you.net<x-tab>
</x-tab><x-tab>
</x-tab><x-tab>
</x-tab>NS<x-tab>
</x-tab><x-tab>
</x-tab>ns2.world2you.net</blockquote>
<blockquote type="cite"
cite>www.world2you.net<x-tab>
</x-tab><x-tab>
</x-tab>A<x-tab>
</x-tab><x-tab>
</x-tab>65.16.71.230</blockquote>
<blockquote type="cite"
cite>ftp.world2you.net<x-tab>
</x-tab><x-tab>
</x-tab>A<x-tab>
</x-tab><x-tab>
</x-tab>65.16.71.230</blockquote>
<blockquote type="cite"
cite>ns1.world2you.net<x-tab>
</x-tab><x-tab>
</x-tab>A<x-tab>
</x-tab><x-tab>
</x-tab>65.16.71.230</blockquote>
<blockquote type="cite"
cite>ns2.world2you.net<x-tab>
</x-tab><x-tab>
</x-tab>A<x-tab>
</x-tab><x-tab>
</x-tab>65.16.71.234</blockquote>
<blockquote type="cite"
cite>cf1.world2you.net<x-tab>
</x-tab><x-tab>
</x-tab>A<x-tab>
</x-tab><x-tab>
</x-tab>65.16.71.238</blockquote>
<blockquote type="cite" cite>xserve1.world2you.net<x-tab>
</x-tab>A<x-tab>
</x-tab><x-tab>
</x-tab>65.16.71.234</blockquote>
<blockquote type="cite" cite>xserve.world2you.net<x-tab>
</x-tab>A<x-tab>
</x-tab><x-tab>
</x-tab>65.16.71.234</blockquote>
<blockquote type="cite" cite>jetson.world2you.net<x-tab>
</x-tab>A<x-tab>
</x-tab><x-tab>
</x-tab>65.16.71.232</blockquote>
<blockquote type="cite" cite>world2you.net<x-tab>
</x-tab><x-tab>
</x-tab><x-tab>
</x-tab>MX<x-tab>
</x-tab><x-tab>
</x-tab>10<x-tab>
</x-tab><x-tab>
</x-tab>jetson.world2you.net</blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite>GLOBALMEGATRENDS.COM</blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite>globalmegatrends.com<x-tab>
</x-tab><x-tab>
</x-tab><x-tab>
</x-tab>NS<x-tab>
</x-tab><x-tab>
</x-tab>ns1.world2you.net</blockquote>
<blockquote type="cite" cite>globalmegatrends.com<x-tab>
</x-tab><x-tab>
</x-tab><x-tab>
</x-tab>NS<x-tab>
</x-tab><x-tab>
</x-tab>ns2.world2you.net</blockquote>
<blockquote type="cite" cite>globalmegatrends.com<x-tab>
</x-tab><x-tab>
</x-tab><x-tab>
</x-tab>MX<x-tab>
</x-tab><x-tab>
</x-tab>10<x-tab>
</x-tab>jetson.world2you.net</blockquote>
<blockquote type="cite" cite>globalmegatrends.com<x-tab>
</x-tab><x-tab>
</x-tab><x-tab>
</x-tab>A<x-tab>
</x-tab><x-tab>
</x-tab>65.16.71.232</blockquote>
<blockquote type="cite"
cite>ftp.globalmegatrends.com<x-tab
>
</x-tab><x-tab>
</x-tab>A<x-tab>
</x-tab><x-tab>
</x-tab>65.16.71.232</blockquote>
<blockquote type="cite"
cite>mail.globalmegatrends.com<x-tab>
</x-tab><x-tab>
</x-tab>A<x-tab>
</x-tab><x-tab>
</x-tab>65.16.71.232</blockquote>
<blockquote type="cite"
cite>www.globalmegatrends.com<x-tab
>
</x-tab><x-tab>
</x-tab>A<x-tab>
</x-tab><x-tab>
</x-tab>65.16.71.232</blockquote>
<blockquote type="cite"
cite>webmail.globalmegatrends.com<x-tab>
</x-tab>A<x-tab>
</x-tab><x-tab>
</x-tab>65.16.71.232</blockquote>
<blockquote type="cite" cite>*.globalmegatrends.com<x-tab>
</x-tab><x-tab>
</x-tab><x-tab>
</x-tab>A<x-tab>
</x-tab><x-tab>
</x-tab>65.16.71.232<x-tab> </x-tab></blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite>Doing a reverse lookup on
mail.globalmegatrends.com returns: jetson.world2you.net</blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite>I just ordered a $99 support phone
contact with Men and Mice yesterday (and certainly willing to pay it
for a fix), but I'm not sure when I'll hear from them and would like
to get this working quickly if possible.</blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite>Thanks in advance if anyone sees anything
I can do to make this work.</blockquote>
<div><br></div>
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