Here is how you can improve your Postfix access maps in order to block incoming spam based on sender’s address.
Archives for 2016
How to Build a SELinux Module for MariaDB
When updating MariaDB, the popular successor to MySQL, you may, once upon a time, hit a roadblock which you won’t be able to track down in the error log. Even though web visitors get to see the plain text complaint “Can’t connect to the database”, the MariaDB server will be running just fine. Silent errors should be reason enough to suspect SELinux, the oftentimes dreaded and despised but equally popular Security-Enhanced Linux kernel module.
You’ve Got Mail: The Changing Landscape of Email Services and the Emergence of Unified Communications
In the universe of email and messaging, change is accelerating. The world of IT came up with a new marketable buzzword with earth-shaking repercussions: Unified Communications.
Apple and Seagate Hacked
Over the years, Apple has dismissed some of their best technical talent. Today, it came back to bite them: the legendary electronic maker had to admit that they got hacked big-time, joining Seagate in this predicament. It made news all over the airwaves.
Still using Kerberos Authentication? Now You Have a Reason to Stop: It Does NOT Keep Your Business Safe
Kerberos, an ancient network authentication protocol from the 1980s that is commonly used to this day, can get you into some serious trouble.
The Kerberos setup used by your organization may not be all it’s cracked up to be.