Re: outlook.com outgoing blacklists?

9 Sep 2015


      DNS has been confirmed to be valid.

-----Original Message----- 
From: Valdis.Kletnieks@vt.edu
Sent: Wednesday, September 9, 2015 1:22 PM
To: Todd K Grand
Cc: nanog@nanog.org
Subject: Re: outlook.com outgoing blacklists?
...
On Wed, 09 Sep 2015 11:49:30 -0500, "Todd K Grand" said:
...
This happens without ever sending a packet to our servers.
The affected domain can send emails to hotmail/outlook accounts just 
fine.
Step 0:  Verify that the DNS has the appropriate MX, A, and other records
for the failing domain.