[RndTbl] Emails sent to Shaw email addresses being blocked

[Montana Quiring]

Cheers.
Thanks for sharing your experience.

Regards,
-Montana


On Mon, May 6, 2024 at 6:35 PM Hartmut W Sager <hwsager at marityme.net> wrote:

> In the last 2-3 weeks, 2 e-mails of mine to one particular Shaw e-mail
> address seem to be lost, and 4-5 weeks ago, a previous e-mail of mine to
> the same Shaw e-mail address (a friend) was lost.  Nothing bounced back to
> me either, unlike your case.
>
> I do have some misgivings about this person's newly re-configured e-mail
> system (after a hard disk loss), but considering your experience, I now
> wonder whether my losses are part of the same problem you're having.
>
> Hartmut
>
> On Mon 06 May 2024 at 14:51:42 -05:00, Montana Quiring <montanaq at gmail.com>
> wrote:
>
> Hello,
>
> Anyone had any issues with sending to Shaw email addresses recently?
> I have a client that sends out smallish batches of emails once every week
> or so, and last week a number of them we blocked, but some went through.
> Never had this happen before.
> I confirmed with shaw that some of the addresses were active and
> receiving emails but that's about as helpful as they would allow themselves
> to be.
>
> Returned email (with email addresses made private):
>
> This is the mail system at host leaf102.mfilter.dimenoc.com.
>
> I'm sorry to have to inform you that your message could not
> be delivered to one or more recipients. It's attached below.
>
> For further assistance, please send mail to postmaster.
>
> If you do so, please include this problem report. You can
> delete your own text from the attached returned message.
>
>                    The mail system
>
> <-shawuser1- at shaw.ca>: host shw-central.mx.a.cloudfilter.net
> [15.222.199.59]
>     refused to talk to me: 554 shw-ibgw-4002a.ext.cloudfilter.net cmsmtp
>     72.29.89.5 blocked AUP#BL
>
> <-shawuser2- at shaw.ca>: host shw-central.mx.a.cloudfilter.net
> [15.222.199.59]
>     refused to talk to me: 554 shw-ibgw-4002a.ext.cloudfilter.net cmsmtp
>     72.29.89.5 blocked AUP#BL
> Reporting-MTA: dns; leaf102.mfilter.dimenoc.com
> X-Postfix-Queue-ID: 867B32645F
> X-Postfix-Sender: rfc822; sender at company.com
> Arrival-Date: Tue, 30 Apr 2024 13:00:50 -0400 (EDT)
>
> Final-Recipient: rfc822; -shawuser1- at shaw.ca
> Original-Recipient: rfc822;-shawuser1- at shaw.ca
> Action: failed
> Status: 4.0.0
> Remote-MTA: dns; shw-central.mx.a.cloudfilter.net
> Diagnostic-Code: smtp; 554 shw-ibgw-4002a.ext.cloudfilter.net cmsmtp
> 72.29.89.5
>     blocked AUP#BL
>
> Final-Recipient: rfc822; -shawuser2- at shaw.ca
> Original-Recipient: rfc822;-shawuser2- at shaw.ca
> Action: failed
> Status: 4.0.0
> Remote-MTA: dns; shw-central.mx.a.cloudfilter.net
> Diagnostic-Code: smtp; 554 shw-ibgw-4002a.ext.cloudfilter.net cmsmtp
> 72.29.89.5
>     blocked AUP#BL
>
>
> Regards,
> -Montana
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