Some domains will not accept email while others work fine. In particular, sites registered with Go Daddy, will not get sent and we don't even get a bounce back!

I can't figure out whether we are on a spam list or the recipient domain has blocked us.

my domain is intarsiainc.com

Here is an example:


-----Original Message-----
From: Mail Delivery System [mailto:Mailer-Daemon@ehub26.webhostinghub.com]
Sent: Saturday, October 06, 2012 3:10 PM
To: marshall.luther@intarsiainc.com
Subject: Mail delivery failed: returning message to sender

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:

jp@alexandermorgantile.info
retry time not reached for any host after a long failure period

------ This is a copy of the message, including all the headers. ------

Return-path:
Received: from rrcs-24-73-131-118.se.biz.rr.com ([24.73.131.118]:49226
helo=MarshallPC)
by ehub26.webhostinghub.com with esmtpsa (TLSv1:AES128-SHA:128)
(Exim 4.77)
(envelope-from )
id 1TJX5Z-0008Vk-P5
for jp@alexandermorgantile.info; Wed, 03 Oct 2012 18:06:46 -0400
From: "Marshall Luther"
To: "'John McCutchan'"
Subject: Price for 4" x 12" chiseled pieces
Date: Wed, 3 Oct 2012 18:06:41 -0400
Message-ID:
MIME-Version: 1.0
Content-Type: multipart/alternative;
boundary="----=_NextPart_000_0001_01CDA191.D77DAD00"
X-Mailer: Microsoft Office Outlook 12.0
Thread-Index: Ac2hs14xASvDohQnSwi0yrqikQEZsA==
Content-Language: en-us

This is a multi-part message in MIME format.

------=_NextPart_000_0001_01CDA191.D77DAD00
Content-Type: text/plain;
charset="us-ascii"
Content-Transfer-Encoding: 7bit