3 messages in net.sourceforge.lists.courier-usersRe: [courier-users] Can't send mail t...
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Shawn M. JonesFeb 18, 2007 11:07 am 
Manuel Schneider [Everything Open]Feb 18, 2007 11:23 am 
Shawn M. JonesFeb 18, 2007 11:37 am 
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Subject:Re: [courier-users] Can't send mail to navy.mil - DNS lookup failedActions...
From:Shawn M. Jones (sm@littleprojects.org)
Date:Feb 18, 2007 11:37:03 am
List:net.sourceforge.lists.courier-users

Manuel Schneider [Everything Open] wrote:

The email that is sent back to me gives me the following error message:

<<< DNS lookup failed.

And, in fact, looking up navy.mil returns nothing:

12:41:41 smj@thoth:~ --> host navy.mil 12:41:46 smj@thoth:~ -->

This looks to me like an ordinary resolving problem which is not connected to courier. Check the contents in /etc/resolv.conf, maybe you want to enter another nameserver there.

Checking other .mil addresses does yield similar results, with the exception of usmc.mil:

13:06:29 smj@thoth:~ --> host navy.mil 13:06:33 smj@thoth:~ --> host army.mil 13:06:36 smj@thoth:~ --> host af.mil 13:06:41 smj@thoth:~ --> host usmc.mil ;; connection timed out; no servers could be reached

What bothers me is that I've tried this from different servers in different geographical locations (using different DNS services) and have gotten the same results. What also bothers me is that the free mail services I've tried (gmail, yahoo mail, hotmail) can send email to navy.mil just fine. This leads me to believe that something must be wrong on my end.

--Shawn