Logs that grow in size uncontrollably can cause unintended consequences. If you keep ignoring the situation, it will only get worse until you run our of disc space, the system starts being unresponsive or processes begin to crash.
Some things never change. Love it or hate it, but everyone still needs email.
Optimizing Postfix access maps to block incoming spam based on sender’s address
Here is how you can improve your Postfix access maps in order to block incoming spam based on sender’s address.
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.
How to Set Up Anti-Spam Filters Using Regular Expressions the Smart Way
In order to fish our spammer’s emails and other identifying information, you can use your mail clients’ log files and/or junk email. Here is how to get started.
How to renew a Letsencrypt certificate
In a post titled How to Set Up Letsencrypt, the SSL-Certificate Engine for the Cloud Era of Hyperscale, on AWS EC2, we have introduced you to this free, open, and fully automated Certificate Authority backed by the likes of Facebook (a gold sponsor), and discussed a manual setup for adventurers in How to Use Letsencrypt across Servers in the Manual Configuration Mode with a CSR.
Now is the time to discuss how to extend the validity of a Letsencrypt certificate for up to another 90 days of blissful happiness.