I wrote you an email to the address in your profile but got a failure notice: So...

		shock on Nov 16, 2017 \| parent \| context \| favorite \| on: IBM Quad9 – A free security solution using DNS to ... I wrote you an email to the address in your profile but got a failure notice: `Sorry, we were unable to deliver your message to the following address. <CTO@globalcyberalliance.org>: 550: 5.1.1 The email account that you tried to reach does not exist.`