Investors have already made it very obvious how valuable and powerful open source is. According to estimates, EU-based businesses spent close to €1 billion on open-source software (OSS) in 2018,...
In this article, we will discuss e-mail protection and dissect some of the most common strategies applied all over the world by system administrators. We will be following this with...
One fine summer afternoon, you found that one of your users account has become compromised and it has been generating huge amount of SPAM mails. In this article, we will...
In continuation of the previous article, we will discuss the DMARC alignment test and dissect its most important aspects to prevent spoofing. DMARC Alignment Test DMARC alignment test is another...
MTA is the integral part of a linux based email system. In this article, we will shed some lights on main.cf that will help you to configure postfix as per...