Comcast mail contact

Mike Hammett nanog at
Wed May 5 18:21:56 UTC 2021 

Mike Hammett 
Intelligent Computing Solutions 


----- Original Message -----

From: "Nathanael Cariaga" <ncariaga at> 
To: "NANOG" <nanog at> 
Sent: Wednesday, May 5, 2021 1:17:46 PM 
Subject: Comcast mail contact 

Anyone from Comcast on this list? would appreciate if you can reach 
out off the list. Have a few concerns regarding Comcast servers 
intermittently throwing 550.5.1.0 -- invalid domain errors. 

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