This post is part of the Email Security Foundations series. What DKIM actually does DKIM stands for DomainKeys Identified Mail. Where SPF checks where a message came from, DKIM proves that the message hasn’t been changed while it was in transit. When you send an email, your mail server adds a cryptographic signature to the … Read more
TL;DR: Microsoft shipped a new per‑mailbox capability that transfers the Source of Authority (SOA) for Exchange attributes to the cloud. Flip a switch (IsExchangeCloudManaged) and you can manage aliases, GAL visibility, custom/extension attributes, and many mailbox flags directly in Exchange Online for directory‑synced users, without keeping an on‑prem Exchange server (or EMT VM) just for … Read more
It has been Patch Tuesday again and Microsoft has released a new set of important Exchange Security Updates, released together with this month’s Microsoft Updates. It is important to keep Your Exchange Servers up-to-date, see the blog post from the Exchange Team on this: Protect Your Exchange Servers The latest Exchange Security Updates address vulnerabilities … Read more
It has been Patch Tuesday again and Microsoft has released a new set of important Exchange Security Updates, released together with this month’s Microsoft Updates. It is important to keep Your Exchange Servers up-to-date, see the blog post from the Exchange Team on this: Protect Your Exchange Servers The latest Exchange Security Updates address vulnerabilities … Read more
It is Patch Tuesday again and Microsoft has released a new set of important Exchange Security Updates, released together with this month’s Microsoft Updates. It is important to keep Your Exchange Servers up-to-date, see the blog post from the Exchange Team on this: Protect Your Exchange Servers The latest Exchange Security Updates address vulnerabilities found … Read more