Do you have a Gmail account? Then, you’ll want to read this step by step tutorial for configuring and installing the latest version of Postfix with SASL authentication and TLS encryption necessary for connecting and relaying Gmail to smtp.gmail.com. Plus,
Lots and lots of sites use StartTLS for encrypting local email, usually so that they can hide passwords when SMTP auth is used. But, StartTLS also gives you the ability to opportunisticly encrypt mail as it heads across the Internet. This document builds
This book aims to teach you how to use the vi
editor, common to many Unix and Unix-like operating systems.
This chapter describes:
* What Is a Certification Path?
* Certification Path Validation
* Certification Path Testing with OpenSSL