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Configure Postfix to block and reject Unsolicited Messages or Spam
Below I want to show how to configure the built-in options for Postfix to prevent unsolicited commercial emails (UCE) or...
Set up Ubuntu’s Built-In Firewall
Ubuntu’s built-in firewall is named ufw (uncomplicated firewall). Actually Ufw is just an utility which makes it easier to configure...
Set up ownCloud on Ubuntu
Today I wanna show how to set up ownCloud (release 10.11) on Ubuntu 22.04.1 LTS. ownCloud is an open-source file sync,...
Set up SSH private/public Key Pair without using Password Authentication on Linux
SSH keys are not only more convenient but also improve the security in contrast to the password authentication, provided the...
Set up SPF and DKIM for Postfix on Ubuntu
In this post I want to show how to set up the SPF (Sender Policy Framework) and DomainKeys Identified Mail (DKIM)...
ZeroConfigExchange & ZeroConfigExchangeOnce
Creating an Outlook profile is very easy and a wizard will guide you throughout the process. The wizard therefore uses...