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Delivery is delayed to these recipients or groups:

Posted on 2014-10-23
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Last Modified: 2014-10-23
Below is a sample of an address this user could email two days ago but as of yesterday gets this bounce back.  We have had quite a few of these lately, different users trying to email different people.  So I am guessing it is on our side but from the looks of the error it is getting rejected by their server but I don't know how to read them to see why.  I tried to XXX out any important data.

Any ideas?

Delivery is delayed to these recipients or groups:

O'Brien, XXXXX (XXXXXXXX@XXXX.com)

Subject: Easton's Birthday Dinner

This message hasn't been delivered yet. Delivery will continue to be attempted.

The server will keep trying to deliver this message for the next 1 days, 19 hours and 56 minutes. You'll be notified if the message can't be delivered by that time.







Diagnostic information for administrators:

Generating server: FT-EXCHANGE.xxxxxxx.local
Receiving server: mxb-00150f02.gslb.pphosted.com (67.231.156.203)


Chad.xxxxxx@xxxxxx.com
Remote Server at mxb-00150f02.gslb.pphosted.com (67.231.156.203) returned '400 4.4.7 Message delayed'
10/22/2014 9:06:09 PM - Remote Server at mxb-00150f02.gslb.pphosted.com (67.231.156.203) returned '451 4.4.0 Primary target IP address responded with: "554 Blocked - see https://support.proofpoint.com/dnsbl-lookup.cgi?ip=xx.xxx.xxx.xxx." Attempted failover to alternate host, but that did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts. The last endpoint attempted was 67.231.156.203:25'

Original message headers:

Received: from FT-EXCHANGE.xxxxxxx.local (192.168.10.94) by
 FT-Exchange.xxxxxxxx.local (192.168.10.94) with Microsoft SMTP Server
 (TLS) id 15.0.775.38; Wed, 22 Oct 2014 13:13:12 -0400
Received: from FT-EXCHANGE.xxxxxxx.local ([fe80::59bd:6165:de8c:a1f6]) by
 FT-Exchange.xxxxxxx.local ([fe80::59bd:6165:de8c:a1f6%12]) with mapi id
 15.00.0775.031; Wed, 22 Oct 2014 13:13:06 -0400
From: Nicole O'Brien <nobrien@fosterthomas.com>
To: "O'Brien, Chad" <Chad.xxxxxx@xxxx.com>
Subject: Easton's Birthday Dinner
Thread-Topic: Easton's Birthday Dinner
Thread-Index: Ac/uG26quSy9tlY+SKi859284JxvlwAAAIZQ
Date: Wed, 22 Oct 2014 17:13:06 +0000
Message-ID: <53e98383fdf140ea8dbbc2ee0bec5a74@FT-Exchange.xxxxx.local>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-originating-ip: [192.168.10.142]
Content-Type: multipart/alternative;
      boundary="_000_53e98383fdf140ea8dbbc2ee0bec5a74FTExchangexxxxxxxsl_"
MIME-Version: 1.0
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Question by:FosterThomas
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1 Comment
 
LVL 76

Accepted Solution

by:
Alan Hardisty earned 2000 total points
ID: 40399423
The error appears to be because you are listed on a block list according to:

554 Blocked - see https://support.proofpoint.com/dnsbl-lookup.cgi?ip=xx.xxx.xxx.xxx."

Please visit that link (with the real IP Address in) and see why and get de-listed, assuming you aren't doing something wrong or aren't sending spam.  Could be an ancient listing for your IP Address that needs updating.

Alan
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