Email authentication is a crucial aspect of cybersecurity that helps protect organizations from phishing, spoofing, and email fraud. Three key protocols—SPF, DKIM, and DMARC—work together to ensure email security and authenticity. This guide will provide…
1. Choose a Reliable Time SourceYou can use NTP (Network Time Protocol) servers from a reliable provider such as:Microsoft NTP servers: time.windows.comNIST (U.S. Government): time.nist.govSingapore NTP servers: sg.pool.ntp.org 2. Configure the PDC Emulator to Sync with…
While trying to install or upgrade a CU on Exchange 2013, 2016 and 2019 you might have come across a simple issue as below. Since the error says to reboot the system you simply reboot…
After the vulnerability discovered on Microsoft exchange servers CVE-2021-26855 globally there was a huge hit for the organisations and reports shows that more than 30000 organisation has been effected. Initially Microsoft released the securty patch…
Picking out the differences between Windows XP and Windows 8.1 or even between Windows 8 and Windows 8.1, improvements have been enormous and have remained unnoticed by a lot of people. So here's a glimpse…
Antonio Rennvick Annoson 1. Open group policy Manager. 2. Create a group policy. 3. Name the policy with a suitable name. 4. Right click the newly created policy and select edit. 5.In group policy management…
