Exchange Online users soon will be getting some security enhancements that will enforce the use of Transport Layer Security (TLS) encryption for e-mails and ward off so-called "man-in-the-middle" ...

Microsoft has announced the public preview of its enhanced Message Trace feature in the Exchange admin center (EAC) for Exchange Online. A message trace provides visibility into emails sent to, from ...

Some (but not all) of our internal SMTP have been having some (but not all) of their messages tagged with SCL 6 for a couple of years now... probably as of some Exchange CU but I can't prove that. I ...

Microsoft has warned customers to mitigate a high-severity vulnerability in Exchange Server hybrid deployments that could allow attackers to escalate privileges in Exchange Online cloud environments ...