Thanks Maarten. We ended up getting to the root of "transaction failed". We
started reclassing the hard bounce to a soft on the 17th.

Thanks,

Dickie LaFlamme / Deliverability Specialist
+1 603-296-1952
On Feb 26, 2016 5:07 AM, "Maarten Oelering" <maar...@postmastery.net> wrote:

> I noticed you are using PowerMTA. You can defer these emails instead of
> bouncing by adding this to your <smtp-pattern-list>:
>
> *reply /554 Transaction failed/ skip-mx*
>
> We saw the last of these errors on the 19th. I am willing to share SMTP
> traces if it’s still relevant.
>
> Maarten Oelering
>
> Postmastery
> W: postmastery.com
> T: +31 20 261 0438
>
> On 25 feb. 2016, at 20:31, Dickie LaFlamme <rlafla...@dyn.com> wrote:
>
> I wanted to see if other followers have heard any chatter about Microsoft
> incorrectly classifying hard bounces for other providers/customers. We've
> been trying to get to the root cause of why they could be creating so many
> false positives for our platform over the past few weeks.
>
> Final-Recipient: rfc822; (*taken out for confidentially*)@hotmail.com
> Action: failed
> Status: 5.4.0
>
> By the RFC they should be at least including a diagnostic code, but they
> are not, this is from a full header to note as well.
>
> Final-Recipient: rfc822;(*taken out for confidentially*)@hotmail.com
> Action: failed
> Status: 5.0.0 (undefined status)
> Remote-MTA: dns;mx3.hotmail.com (65.55.33.135)
> Diagnostic-Code: smtp;554 Transaction failed
> X-PowerMTA-BounceCategory: other
>
> Essentially all we got back from Microsoft was that "this should be
> classified as a soft bounce in your system": No help since we knew that.
> We've since reclassified that bounce as well as this bounce below:
>
> Final-Recipient: rfc822; (*taken out for confidentially)*@hotmail.com
> Action: failed
> Status: 5.5.4
> Diagnostic-Code: smtp;501 5.5.4 Invalid arguments
>
>
> We've seen this occuring at Hotmail, Live.com <http://live.com/> and
> Outlook.com <http://outlook.com/>. I'm not looking for a golden ticket
> from anyone, but I wanted to see if fellow Deliverability professionals
> are seeing these kind of problems from Microsoft domains. We're just left
> scratching our heads as we try to fight these fires for our customers both
> the deliverability team and engineers.
>
> Has anyone else been having these problematic issues with Microsoft
> domains?
>
> Thanks,
>
> [image: Dyn logo, Dyn.com] <http://dyn.com/>
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> facebook account] <http://facebook.com/dyn>    
> <http://twitter.com/dyninc>[image:
> Dyn LinkedIn account] <http://linkedin.com/company/dyn>
>
> Dickie LaFlamme / Deliverability Specialist
>
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