Microsoft Brings Improvements to DMARC

Microsoft Brings Improvements to DMARC https://ift.tt/7X81YR9 Preparing for Battle Email defense is similar to a suit of chainmail armor that protects the wearer from attackers. Like most defenses, they also are in need of maintenance, repairs, and upgrades, which then provide a consistent defensive posture. In this vein, Microsoft’s recent changes to its email service […]

Disk Defragmentation on an Exchange 2019 server

Disk Defragmentation on an Exchange 2019 server https://ift.tt/2XQt6of When moving mailboxes from Exchange 2016 to Exchange 2019 (on Windows 2022) I ran into a couple of StalledDueToTarget_Processor issues. These occur regularly and typically nothing to worry about, the move request will automatically continue in minutes. Next I checked the task manager to see how performance […]

Protect Your Exchange Servers

Protect Your Exchange Servers https://ift.tt/ZPkt5Gg We’ve said it before, we’re saying it now, and we’ll keeping saying it: it is critical to keep your Exchange servers updated. This means installing the latest available Cumulative Update (CU) and Security Update (SU) on all your Exchange servers (and in some cases, your Exchange Management Tools workstations), and […]

January 2023 Exchange Security Updates

January 2023 Exchange Security Updates https://ift.tt/23JNQMv On January 10, 2023, Microsoft released new Security Updates for Exchange 2013 CU23, Exchange 2016 CU23 and Exchange 2019 CU11 and CU12. In this Security Update, the following CVEs with severity rating ‘Important’ are fixed: CVE-2023-21745 – Microsoft Exchange Server Spoofing Vulnerability (Spoofing) CVE-2023-21761 – Microsoft Exchange Server Information […]