On 9/1/2016 9:32 AM, Aaron Richton wrote:
> On Thu, 1 Sep 2016, Dave Brockman wrote:
> 
>> For Example:
>>
> 
> That's just base64, use e.g. openssl enc -d -base64 which gives:

Thanks for that!

> Reporting-MTA: dns;BAY004-OMC3S15.hotmail.com
> Received-From-MTA: dns;NAM02-CY1-obe.outbound.protection.outlook.com
> Arrival-Date: Wed, 31 Aug 2016 06:30:48 -0700
> 
> Final-Recipient: rfc822;tmanr...@wdef.com
> Action: delayed
> Status: 4.4.7
> Will-Retry-Until: Fri, 2 Sep 2016 06:30:54 -0700
> 
> Final-Recipient: rfc822;rmccl...@wdef.com
> Action: delayed
> Status: 4.4.7
> Will-Retry-Until: Fri, 2 Sep 2016 06:30:54 -0700
> 
> (somehow I'd guess that you are aware of the delays. Perhaps the final
> permfail will have more details, if you're lucky? Or perhaps network
> investigation looking critically at

Yes, those are attached to Delay NDR's that state:

This is an automatically generated Delivery Status Notification.

THIS IS A WARNING MESSAGE ONLY.

YOU DO NOT NEED TO RESEND YOUR MESSAGE.

Delivery to the following recipients has been delayed.

       tmanr...@wdef.com
       rmccl...@wdef.com

Nothing useful here :(

> $ dig BAY004-OMC3S15.hotmail.com. +short
> 65.54.190.153
> 
> would help. I can ping that IP -- can you?)

The mail server in question can, by IP address and FQDN.
I cannot see a connection attempt from that IP address in SMTP logs,
however.  Running a capture on the firewall logs now.

Thank you for looking!

Regards,

dtb

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