Easily list mail DNS records via this PowerShell script

I get to investigate quite some mail environments in my work as a consultant. At a certain point you see some patterns emerging. One of those patterns is the correct configuration of mail related DNS records. It's one of the first things I check when I must check an unfamiliar environment. I have talked about this anti-spoofing topic on numerous occasions. I would compare it to a ping test when there are network issues. For several years I have worked

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I will be speaking at IT/Dev Connections 2018!

Next week I will be speaking at the IT/Dev Connection conference in Dallas (TX) during 16-18th October 2018, which is particularly exciting for me as it is the first time I will present in the USA! The session title is ‚ÄúSecuring, Protecting, and Managing the Flow of Corporate Communications‚ÄĚ. The session abstract tells you a bit more: Simple Mail Transport Protocol, or as it is better known, SMTP, should be simple. It says so in the name. However, the internet

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