In this labs post, I will introduce you to modern security controls that are currently used (but not always correctly) by the vast majority of enterprises, and hopefully by the end of this write-up, the topic will become a little clearer and the concepts will become easier to grasp. In today’s world of spammers, intruders, and fake emails, having a robust setup for your email deliveries is crucial. Email security is a constant challenge, with businesses and individuals facing an increasing...

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