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Not receiving emails from a certain server

Hi,

I've always been able to receive emails from these domains but recently the person sending them receives the following message:

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:

xxxxxxxxx@virginmedia.com
all hosts for 'virginmedia.com' have been failing for a long time (and retry time not reached)
Reporting-MTA: dns; xxxxxxxxx.hpdns.net

Action: failed
Final-Recipient: rfc822;xxxxxxxxx@virginmedia.com
Status: 5.0.0

Full source below:

Return-Path: <>
Delivered-To: xxxxxxxxx@priorityouth.co.uk
Received: from xxxxxxxxx.hpdns.net
by xxxxxxxxx.hpdns.net.openstacklocal with LMTP
id YL/AONaT+l6sLC0AihdaCg
(envelope-from <>)
for xxxxxxxxx@priorityouth.co.uk; Tue, 30 Jun 2020 02:22:30 +0100
Return-path: <>
Envelope-to: xxxxxxxxx@priorityouth.co.uk
Delivery-date: Tue, 30 Jun 2020 02:22:30 +0100
Received: from mailnull by xxxxxxxxx.hpdns.net with local (Exim 4.93)
id 1jq4yk-00CQf7-RE
for xxxxxxxxx@priorityouth.co.uk; Tue, 30 Jun 2020 02:22:30 +0100
X-Failed-Recipients: xxxxxxxxx@virginmedia.com
Auto-Submitted: auto-replied
From: Mail Delivery System Mailer-Daemon@xxxxxxxxx.hpdns.net
To: xxxxxxxxx@priorityouth.co.uk
References: 826903e0e27dd15efc46e845b552cc0b@priorityouth.co.uk
Content-Type: multipart/report; report-type=delivery-status; boundary=1593480150-eximdsn-2072911058
MIME-Version: 1.0
Subject: Mail delivery failed: returning message to sender
Message-Id: E1jq4yk-00CQf7-RE@xxxxxxxxx.hpdns.net
Date: Tue, 30 Jun 2020 02:22:30 +0100

--1593480150-eximdsn-2072911058
Content-type: text/plain; charset=us-ascii

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:

xxxxxxxxx@virginmedia.com
all hosts for 'virginmedia.com' have been failing for a long time (and retry time not reached)

--1593480150-eximdsn-2072911058
Content-type: message/delivery-status

Reporting-MTA: dns; xxxxxxxxx.hpdns.net

Action: failed
Final-Recipient: rfc822;xxxxxxxxx@virginmedia.com
Status: 5.0.0

--1593480150-eximdsn-2072911058
Content-type: message/rfc822

Return-path: xxxxxxxxx@priorityouth.co.uk
Received: from [::1] (port=39982 helo=xxxxxxxxx.hpdns.net)
by xxxxxxxxx.hpdns.net with esmtpa (Exim 4.93)
(envelope-from xxxxxxxxx@priorityouth.co.uk)
id 1jq4yh-00CQdv-Uw
for xxxxxxxxx@virginmedia.com; Tue, 30 Jun 2020 02:22:28 +0100
MIME-Version: 1.0
Date: Tue, 30 Jun 2020 02:22:27 +0100
From: xxxxxxxxx@priorityouth.co.uk
To: xxxxxxxxx@virginmedia.com
Subject: test
User-Agent: Roundcube Webmail/1.4.4
Message-ID: 826903e0e27dd15efc46e845b552cc0b@priorityouth.co.uk
X-Sender: xxxxxxxxx@priorityouth.co.uk
Content-Type: text/plain; charset=US-ASCII;
format=flowed
Content-Transfer-Encoding: 7bit
X-cPanel-MailScanner-Information: Please contact the ISP for more information
X-cPanel-MailScanner-ID: 1jq4yh-00CQdv-Uw
X-cPanel-MailScanner: Found to be clean
X-cPanel-MailScanner-SpamCheck:
X-cPanel-MailScanner-From: xxxxxxxxx@priorityouth.co.uk
X-Spam-Status: No

Regards

Tony

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Re: Not receiving emails from a certain server

We've seen one other incident recently of this error message and after a detailed anlaysis it was tracked down to a mis-configured mail server at the sender's end. The message is very strange because if it were generally true all VM's e-mail domains would stop working, and we would be flooded with queries. More pertinently all your e-mail addresses with VM would be failing too. And they aren't.

If I were betting on what you have posted (and you did a great job here) I would not put this down to a fault with VM.

https://community.virginmedia.com/t5/Email/Ntlworld-com-email-address-bounced/td-p/4272959/page/2

 



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Re: Not receiving emails from a certain server

The problem with the above error message is it tells us that it's had trouble sending to virginmedia.com for some time - so it's not going to try any more.

What it doesn't tell us is what issue the server was having previously.  Were this my server, I'd be looking for the previous errors from VM's email server.

However I did have a look at the domain - priorityouth.co.uk

The first thing I did was look up it's MX record.

~$ dig mx priorityouth.co.uk

; <<>> DiG 9.11.3-1ubuntu1.12-Ubuntu <<>> mx priorityouth.co.uk
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 41868
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 101d98e6e5b25aa396af260f5efb1450faec0ecc929ac7c7 (good)
;; QUESTION SECTION:
;priorityouth.co.uk.            IN      MX

;; ANSWER SECTION:
priorityouth.co.uk.     3600    IN      MX      0 priorityouth.co.uk.

;; AUTHORITY SECTION:
priorityouth.co.uk.     172800  IN      NS      ns3.enixns.com.
priorityouth.co.uk.     172800  IN      NS      ns2.enixns.com.
priorityouth.co.uk.     172800  IN      NS      ns1.enixns.com.

;; Query time: 117 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Jun 30 11:30:40 BST 2020
;; MSG SIZE  rcvd: 155

The first thing I see that the MX record points to the bare domain rather than an actual FQDN.  While not fatal it does suggest that the serevr  could be configured better.

So the next thing I did was have a look at the server I connected to it to get an idea of the servers banner line and it ends

hpdns.net

Again noting wrong with that but I did a reverse lookup on the IP address and got a different result.

ohos.spiritsecret.net.

In short the server needs the PTR record for their IP address changing to reflect the hostname on their SMTP banner.

I'd also consider changing your MX record to point to the server hostname as well - e.g. xxxx.hpdns.net.

Tim

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