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…
Outlook 2016/2019 Click to run – Adding multiple Office 365 E-Mail Profiles – Sorry, another account from your organization is already signed in on this computer
Recently I wanted to configure two E-Mail profiles on a Windows 10 computer, each of them should include an Office…
How to reject Emails in Office 365 they fail DMARC
EASYDMARC had an interesting blog post about DMARC handling with Microsoft 365. DMARC and Microsoft : What is Happening?https://easydmarc.com/blog/dmarc-and-microsoft/ You…
Set up DomainKeys Identified Mail (DKIM) on Exchange on-premise
Out of the box on-premise Exchange Server doesn’t support DKIM signing. To deploy DKIM for your on-premises Exchange Servers you…
Set up Exchange on-premise to relay outbound Emails to the Internet via Exchange Online Protection (EOP)
If you had an Exchange Hybrid configuration, you can route also outbound email messages from your on-premise mailboxes through Exchange…
Enable TLS for Postfix on Ubuntu
Regarding the Postfix documentation, TLS support is turned off by default, so you can start using Postfix as soon as…
