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Incoming email being rejected...

teapot
Team Player
Message 117 of 117

Hi,
I'm using Pipex DSL email and processing Microsoft Office Pro 2016.


Using Outlook, I have one important email sender who, suddenly is unable to send emails to my email address, it has been working for a long time.


The error - 503 Bad sequence of commands.


I have made various changes to my email settings, I believe they are correct and up to date. The sender has spoken to his support and also believes his system is correct and up to date.
This error only occurs with this sender who lives in France.

Any help and advice would be very useful. Thank you.

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116 REPLIES 116

Anonymous
Not applicable
Message 21 of 117

I have had exactly the same problems as you have regarding rejected emails, over the years (we too started with Pipex in the 1980's). In January, both my bank and credit card provider refused to use email to contact us as the emails were continually being rejected and have now reverted back to paper contact.  TalkTalk blamed 1&1, 1&1 blamed TalkTalk.  After 2 weeks I changed broadband provider and instantly emails started to arrive.  TalkTalk are now trying to charge me for a broken contract, when it was themselves that failed to provide a cogent service.  In this day and age of online banking, etc. we cannot do without emails for weeks at a time.  Have complained and written letters in Jan and Feb, not had a single reply from TalkTalk other than adding more money to their bills.

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Message 22 of 117
Hope this is the information required?

Your message did not reach some or all of the intended recipients.
Subject: test submission Tues 18 feb 2020
Sent: 18/02/2020 08:47
The following recipient(s) cannot be reached:
'*****@dsl.pipex.com' on 18/02/2020 08:47
503 Bad sequence of commands

Teapot
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Message 23 of 117

@teapot wrote:

From: "*****" <***@dsl.pipex.com>
To: "****" <*****@thejames.fr>
.....
Final-recipient: rfc822; *****@thejames.fr
Diagnostic-Code: smtp; 550-Requested action not taken: mailbox unavailable

Last-attempt-Date: Mon, 17 Feb 2020 20:30:49 +0000

That appears to be an outgoing message that has been rejected by the remote ISP (in France?) rather than by TalkTalk.

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Message 24 of 117
email address is ******@thejames.fr,

X-Originating-IP: [****.252.245]
X-Spam: 0
X-OAuthority: v=2.3 cv=cuTlbGwi c=1 sm=1 tr=0 a=ApNL4bMDVYA/9aOwXY5Guw==:117
a=ApNL4bMDVYA/9aOwXY5Guw==:17 a=DAwyPP_o2Byb1YXLmDAA:9
a=1FzqG5ILVBdwvA7Y_sMA:9 a=CjuIK1q_8ugA:10 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8
a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 a=frz4AuCg-hUA:10
From: "*****" <***@dsl.pipex.com>
To: "****" <*****@thejames.fr>
Subject: test
Date: Mon, 17 Feb 2020 21:02:37 -0000
Message-ID: <001601d5e5d5$96ced5f0$c46c81d0$@dsl.pipex.com>
MIME-Version: 1.0
Content-Type: multipart/alternative;
boundary="----=_NextPart_000_0017_01D5E5D5.96CF2410"
X-Mailer: Microsoft Outlook 16.0
Thread-Index: AdXl1ZM6fxb+JPu6QT6M928dA6lWCw==
Content-Language: en-us
X-Antivirus: AVG (VPS 200217-0, 02/17/2020), Outbound message
X-Antivirus-Status: Clean
X-CMAE-Envelope: MS4wfMP1b4UF4dvGwK97yZReFeNbUK+Vn/UDpODcWI0NcDcSKrbYIGz+Yf9mXiLOijAj3xZVcakTwWwiMf7tDmZiPaoyUKtbAvXyYbphCmqmOgbQTj+u73Hm
caseuDUMdi5nJ1sX29GLYbwH25QA6L56FKUj26a57M6XivzMOqVFnirE

Reporting-MTA: dns; cmout2mk [212.74.114.24]
Received-From-MTA: dns; ****** [**.75.252.245]
Arrival-Date: Mon, 17 Feb 2020 20:30:49 +0000

Final-recipient: rfc822; *****@thejames.fr
Diagnostic-Code: smtp; 550-Requested action not taken: mailbox unavailable

Last-attempt-Date: Mon, 17 Feb 2020 20:30:49 +0000

Please note the error message is now 550 etc. Error 503 was deleted some time ago, sorry.
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Message 25 of 117

@Ady-TalkTalk wrote:

Hi gmlack, my last message was to teapot who is the originator of the thread. 

 

Ady


And mine was to anyone who cares, wondering how many examples are needed.

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Message 26 of 117

Hi gmlack, my last message was to teapot who is the originator of the thread. 

 

Ady


Please log in to My Account if you need to view or pay your bill, manage boosts and track your usage. From My Account you can also check your connection and test your line for any issues in the Service Centre.


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Message 27 of 117

@Ady-TalkTalk wrote:

Hi Teapot, I've now been asked for the sender address as well as the date/timestamp the mail was sent so we can locate this example in our logs. I have already added the .fr address in the ticket so just the date and timestamp stuff will do please.

 

Ady


I've already sent you the complete message and headers from two bounces (and can send them again, as I've still got them).

This just sounds like an excuse for, "I have no idea".

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Message 28 of 117

Hi Teapot, I've now been asked for the sender address as well as the date/timestamp the mail was sent so we can locate this example in our logs. I have already added the .fr address in the ticket so just the date and timestamp stuff will do please.

 

Ady


Please log in to My Account if you need to view or pay your bill, manage boosts and track your usage. From My Account you can also check your connection and test your line for any issues in the Service Centre.


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Message 29 of 117
Hi Ady, the error has now been in the system for a month, not something TalkTalk would be proud to have hanging around.

From my point of view, TalkTalk are unable to resolve what I see as a fairly basic error in the system, having seen other web sites with the same error and their possible error solutions.
What would happen within TalkTalk if they had a system down for a month?

When will TalkTalk fix the error?

Are TalkTalk working on the theory, the new email system will resolve the problem, so it doesn't matter about the old Pipex stuff?

Teapot
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Message 30 of 117

@Ady-TalkTalk wrote:

Yes I've raised the ticket for the incoming mail issue for which you provided the details. If you've got another please let me know and if necessary I'll raise that too.

@Ady-TalkTalk I was referring to the issue @gmlack has raised in this thread concerning the incorrect MX server configuration for dsl.pipex.com.  Has a ticket been raised for that?

Is there any update at all on the tickets you've raised concerning the various pipex email delivery problems?  It is now well over a week since you told us the problems with the ticketing system had been sorted out, so presumably the email team are aware of the issues now?

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Message 31 of 117

Yes I've raised the ticket for the incoming mail issue for which you provided the details. If you've got another please let me know and if necessary I'll raise that too.

 

Ady


Please log in to My Account if you need to view or pay your bill, manage boosts and track your usage. From My Account you can also check your connection and test your line for any issues in the Service Centre.


Message 32 of 117

 

 


@delwynh wrote:

@gmlack since I posted my reply to you I see about half a dozen messages from you which were in spam have appeared.  Looks like you have good evidence that your issue is caused by the MX record misconfiguration.

 

TalkTalk should definitely sort this out - it is an obvious problem with a trivial fix, and it would certainly be good to eliminate it as a factor in any other issues.

 

@Ady-TalkTalk Has a ticket been raised for this particular issue?

 


If TalkTalk is looking for errors in  their logging system(?) for this they won't find any, as the intended sender never contacts TalkTalk (there being no valid entry to reach them by).

 

It's been over 3 working days since the evidence and information was available here and, so far, "Nothing happens".

Fixing it should take seconds to apply then a few hours to spread around the Internet (internally the records are valid for 5mns, but externally they seem to be valid for up to 2 hours).

 

 

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Message 33 of 117

Hi Teapot, I know you don't want another apology from me about the delay in getting this sorted for you. I've sent a more urgent chaser for you as there's been no update on the ticket. This is way overdue and I'm unhappy at the lack of action taken when you and then I have chased this up so often. 

 

Ady


Please log in to My Account if you need to view or pay your bill, manage boosts and track your usage. From My Account you can also check your connection and test your line for any issues in the Service Centre.


Message 34 of 117

Hello Ady, another Wednesday with no news. It would be very helpful if we could have an update indicating current progress, if any. Not knowing is really a problem. If "chasing this daily is still the reply", then there is something wrong with the reporting structure inside TalkTalk. My time in customer service was always to keep the customer informed, no matter how difficult that information is to relay.

Message 35 of 117

@gmlack since I posted my reply to you I see about half a dozen messages from you which were in spam have appeared.  Looks like you have good evidence that your issue is caused by the MX record misconfiguration.

 

TalkTalk should definitely sort this out - it is an obvious problem with a trivial fix, and it would certainly be good to eliminate it as a factor in any other issues.

 

@Ady-TalkTalk Has a ticket been raised for this particular issue?

 

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Message 36 of 117

@gmlack wrote:

There are multiple errors. This refers to one problem.

The error message is "No valid MX record found".


It does indeed appear there are multiple problems affecting the pipex mail service, but this thread was originally about the 503 error messages being received by 1and1 senders, a problem both teapot and myself are experiencing.  Maybe best to start a new thread to discuss other issues, just to keep the confusion levels down?  I know I'm slightly guilty myself by throwing in a mention of the intermittent TT512 problem that is being discussed on other threads.

 

 

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Message 37 of 117

 


@delwynh wrote:

@gmlack  I don't think the problem you mention with the MX records for dsl.pipex.com resolving to CNAME instead of A records is anything to do with the problem this thread is about.  The misconfiguration will increase DNS traffic by forcing an extra lookup, but clearly the sending domains whose mails are being rejected are able to connect to the TalkTalk server or they wouldn't be receiving bounce messages back.


There are multiple errors. This refers to one problem.

The error message is "No valid MX record found".

 

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Message 38 of 117

@gmlack  I don't think the problem you mention with the MX records for dsl.pipex.com resolving to CNAME instead of A records is anything to do with the problem this thread is about.  The misconfiguration will increase DNS traffic by forcing an extra lookup, but clearly the sending domains whose mails are being rejected are able to connect to the TalkTalk server or they wouldn't be receiving bounce messages back.

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Message 39 of 117

And yet more Spam detected when I post that I have generated a TT512 error (so have the full bunce report).

>>Sigh...<<

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Message 40 of 117

More  info...hoping this won't be treated as Spam.

 

I created free accounts on outlook.com and gmx.com to send test messages to my Pipex account every 30mins.

 

The gmx.com one failed instantly with "No valid MX record", which is why I lookeed into the CNAME thing (vaguely recalling having had the same issue myself in the early 90s). This fits the permanent delivery problem.

 

The outlook.com one started to run, but overnight I've had two bounces from it (and it then started delivering again, so fits in with the transient problem). So I now have full headers (indeed - the entire message) from  one of these bounces.

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