Encryption

Postfix Hardening Guide for Security and Privacy

Learn how to secure the configuration of Postfix with this guide, and increase both security and privacy.

Summary of Postfix Hardening Guide for Security and Privacy

Postfix is a common software component on servers for receiving or sending email. It has a lot of configuration options available, including those to improve your Postfix security. This Postfix security and privacy guide will help with hardening your Postfix configuration. After you are finished, your system will have improved defenses against spam, abuse, and leaking sensitive data. Why Postfix hardening? Every service that is connected to the internet is sooner or later to be abused by automated scripts.

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Using encrypted documents with vim

Everyone has secrets. Or at least some data you don't want to show others, right? Vim is a common editor and it actually has an option to create and use encrypted documents!

Summary of Using encrypted documents with vim

Everyone has secrets. Or at least some data you don’t want to show others, right? Vim is a common editor to be found on Linux systems. It has an option to create and use encrypted files. We will look at how to configure it and use this encryption capability. Encryption is the process of fiddling with data so that others no longer can’t read it. The idea is that you still can, so when we speak about encryption, we can’t ignore decryption.

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