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Following organization rejected your message + error SMTP 530

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Following organization rejected your message + error SM... - 4.Jun.2014 9:14:16 AM   


Posts: 1
Joined: 4.Jun.2014
Status: offline
Hello all, I am trying to diagnose an issue that a mail contact is having while emailing my organization.

Here is an example of the error received when that person emails anyone within our organization:

Delivery has failed to these recipients or distribution lists:

recipient email on my exchange server
A problem occurred during delivery of this message. Microsoft Exchange will not try to redeliver this message for you. Please try resending this message later, or provide the following diagnostic text to your system administrator.

The following organization rejected your message: my exchange server..

Diagnostic information for administrators:

Generating server: their outgoing server

recipient email
my exchange server. #<my exchange server. #5.3.0> #SMTP#

Original message headers:

Received: from [] by their outgoing server with ESMTP
(Tumbleweed Email Firewall SMTP Relay); Wed, 04 Jun 2014 06:20:24 -0700
X-Server-Uuid: 385D78BC-A8BE-4780-80CD-A503E34C32DD
Received: from ex-be-020-sfo.their email server (
[]) by EX-CH-005-SFO.their email server (
[]) with mapi; Wed, 4 Jun 2014 06:34:28 -0700
From: sender<sender's email>
To: recipient email
Date: Wed, 4 Jun 2014 06:34:28 -0700
Subject: test
Thread-Topic: test
Thread-Index: AQHPf/m15MQMx/t3VkGl9Re/tGYgXA==
Message-ID: <42D8328C71C0DD4EB541237710B67F65B4D055B124@EX-BE-020-SFO.their email server >
Accept-Language: en-US
Content-Language: en-US
acceptlanguage: en-US
MIME-Version: 1.0
X-WSS-ID: 7F91C2924EK48168324-01-01
Content-Type: multipart/alternative;
Content-Transfer-Encoding: 7bit

Now I checked in my exchange server's anti-spam and that person is whitelisted. I am slightly confused by the error message 530 which should be smtp authentication error. I tried sending from that user's webmail account and received the same error. I am trying to find out which end is the problem at. It is the only user/domain that is unable to reach my organization and that person is not having issues emailing anyone else.
Post #: 1

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