I have two hosting accounts, personaldomain.com
and companydomain.com
. Both have User level cPanel. Whenever I try to send email from personaldomain.com
to any email address on companydomain.com
, I instantly receive a Mail Delivery System message saying:
Subject: **Mail delivery failed: returning message to sender**
A message that you send could not
be delivered to one or more of its
recipients. This is a permanent error.
The following address(es) failed:
theiremail@personaldomain.com
No Such User Here
This only happens from personaldomain.com
to companydomain.com
, and not the other way. I've tried each address, and looking at the headers, it doesn't seem to be leaving my mail server:
Received: from ns1.usm4.siteground.biz ([my-ip-address] helo=mymailserver1.usm4.siteground.biz)
by se8.mailspamprotection.com with esmtps (TLSv1.2:DHE-RSA-AES256-SHA:256)
(Exim 4.85)
(envelope-from <myemail@personaldomain.com>)
id 1aYcMc-0003NN-Qz
for theiremail@companydomain.com; Wed, 24 Feb 2016 10:32:37 -0600
Received: from localhost ([127.0.0.1]:38882 helo=mymailserver.usm4.siteground.biz)
by mymailserver1.usm4.siteground.biz with esmtpsa (TLSv1:DHE-RSA-AES256-SHA:256)
(Exim 4.80.1)
(envelope-from <james@duckduckloop.com>)
id 1aYcMc-0007Zf-Lg
for theiremail@companydomain.com; Wed, 24 Feb 2016 11:32:34 -0500
Received: from an-ip-address ([an-ip-address]) by mysubserver.sgcpanel.com
(Horde Framework) with HTTP; Wed, 24 Feb 2016 16:32:34 +0000
Date: Wed, 24 Feb 2016 16:32:34 +0000
[more content headers and filters]
X-SpamExperts-Outgoing-Class: ham
X-SpamExperts-Outgoing-Evidence: Combined (0.29)
X-Recommended-Action: accept
I also noticed that the returned emails have a time of 4:32am when my server is 11:32am EST (sending from Webmail Horde) and my local time is 10:32am (sending from Outlook or iPhone). I don't know if that affects the authentication.
I'm able to send to companydomain.com
from any other email address. I'm able to send to any other domain from personaldomain.com
.
How can I figure out the source of this error, so I can fix it?