In this article we will have a look at some good, modern practices that must be used when communicating an application or a client with our infrastructure’s mail servers, within ensuring secure and encrypted communication.
The theory:
You may check the article below for more information about the differences between SSL/TLS and STARTTLS:
Differences between SSL/TLS vs STARTTLS
In practice, changes to the mail service:
Within our upgrading and enhancing the protection of information transferred to a network when communicating with the mail servers of our infrastructure, the goal is to use encrypted methods by all. That’s because we want to ensure user authentication, data integrity and zero chances for a data breach. For this reason some actions are necessary to be performed.
What changes in our infrastructure:
What does this mean for you and what should you do:
Which settings should I use in a Mail Client?