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panda67
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ntlworld emails unable to be delivered

Any emails I send from my work outlook account, sent to my ntlworld email account, get bounced back as undeliverable.

Any suggestions as to why this would happen or how it can be resolved

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用心棒
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Re: ntlworld emails unable to be delivered

Without disclosing any personal information are you able to post the reason given in the undeliverable bounce back message?

 

As a Very Insightful Person, I'm here to share my knowledge. I don't work for Virgin Media.

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panda67
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Re: ntlworld emails unable to be delivered

 

20200701_195851.jpg

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Re: ntlworld emails unable to be delivered

Read response to similar issue raised here Re: Emails from specific address being bounced back

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panda67
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Re: ntlworld emails unable to be delivered

A clearer copy of the undelivered message:

Diagnostic information for administrators:

Generating server: RSEX6.mbro.net
Receiving server: mx.tb.ukmail.iss.as9143.net (212.54.56.11)

sa.alex@ntlworld.com
21/06/2020 14:17:13 - Remote Server at mx.tb.ukmail.iss.as9143.net (212.54.56.11) returned '550 4.4.7 QUEUE.Expired; message expired'
21/06/2020 14:07:13 - Remote Server at mx.tb.ukmail.iss.as9143.net (212.54.56.11) returned '451 4.4.0 Primary target IP address responded with: "421 EHLO MXIN201 Your HELO/EHLO RSEX6.mbro.net is not matching your DNS configuration mail2.mbro.ac.uk,mail.mbro.ac.uk,autodiscover.mbro.ac.uk ;id=n0dYjdize2OtX;sid=n0dYjdize2OtX;mta=mx11.tb;d=20200621;t=160756[CET];ipsrc=212.219.144.65;." 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 212.54.56.11:25'

Original message headers:

Received: from RSEX6.mbro.net (10.1.4.60) by RSEX6.mbro.net (10.1.4.60) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Fri, 19 Jun 2020 14:58:02 +0100Received: from RSEX6.mbro.net ([10.1.4.60]) by RSEX6.mbro.net ([10.1.4.60]) with mapi id 15.00.1347.000; Fri, 19 Jun 2020 14:58:01 +0100From:  <xxxxxxx@mbro.ac.uk>To: "'xxxxxx@ntlworld.com'" <xxxxxxx@ntlworld.com>Subject: FW: COVID19 UPDATE - Thread-Topic: COVID19 UPDATE - Thread-Index: AdZGDq3pIEGSCO1LQcqmdA5crRJw0QAMwxcQDate: Fri, 19 Jun 2020 13:58:01 +0000Message-ID: <48de47bc4f0d4019aa5a7633200d62e1@RSEX6.mbro.net>References: <5fcf2349ccc3413881701a5f1dc48101@RSEX6.mbro.net>In-Reply-To: <5fcf2349ccc3413881701a5f1dc48101@RSEX6.mbro.net>Accept-Language: en-GB, en-USContent-Language: en-USX-MS-Has-Attach:X-MS-TNEF-Correlator:x-ms-exchange-transport-fromentityheader: Hostedx-originating-ip: [10.4.10.189]Content-Type: multipart/alternative; boundary="_000_48de47bc4f0d4019aa5a7633200d62e1RSEX6mbronet_"MIME-Version: 1.0

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