Hi,

I just received Microsoft's response to my deliverability support request. Mitigated? Nope. Not qualified for mitigation? Nope again. Their resolution states:

We were unable to identify anything on our side that would prevent your mail from reaching Outlook.com customers.

I sent a test Email to an Outlook customer after receiving that response, and it bounced right back with the same error as always. Needless to say I've responded to Microsoft's message. We'll see where this goes.

Jayson