Recently I came across a situation where it was reported that Connection Filtering stopped working (IPs on the Blocklist and RBLs were no longer being blocked). The solution led me to write this blog to clarify some confusion about "when" connection Read More

In the past, if you wished to use S/MIME for e-mail encryption with an external recipient, you would add the recipient to your Contacts folder. This was typically done by having the recipient send you a digitally signed item and then right click on the Read More

One of the most common questions I'm asked is if we have any resources that document the default settings for the Exchange-related virtual directories in Exchange 2007 - specifically with regards to the authentication and SSL settings. This aims to Read More

The Microsoft Security Response Center (MSRC) team has announced today that a lot of vulnerability-related information will be posted on the new Microsoft Security Vulnerability Research and Defense Blog located at: http://blogs.technet.com/swi/ On Read More

Q&A With the Exchange MVP ExpertsWe invite you to attend a Q&A with the Microsoft Exchange Server MVPs. In this chat Exchange MVPs will be on hand to answer your questions about Exchange Server, Outlook and Exchange for Small Business Read More

S/MIME support for Exchange Outlook Web Access (OWA) was introduced in Exchange 2003. In Exchange 2007 SP1, we are adding S/MIME support back and making it more reliable and powerful. Below, is a short introduction to S/MIME and simple end-to-end steps Read More

Microsoft Forefront Team has also announced a Beta release today - Microsoft Forefront Security for Exchange Server with Service Pack 1 Beta 2! You can read the details on their blog. Here is a part of their announcement: As a part of our ongoing deep Read More

Introduction One of the topics that an Exchange administrator needs to care about is the level of security of the Exchange servers regarding the patching level from the Security Update. In wide IT environment, Security Updates are most of the time in Read More

EDIT 10/4/2007: Since this post has been published, we have updated the Exchange 2007 Autodiscover Service whitepaper to include this information. Please consult the whitepaper for most up-to-date information. In reviewing all of the certificate data Read More

You might not know that the Forefront Server Security team has a blog too. You can get an idea what you can expect from their blog from this small note taken from their first post announcing the blog: "Whether you are a long-time Read More

In this 9 minute video, Sherman Lovell introduces how to set up Messaging Records Management in Exchange Server 2007.     Download the video to view it in higher resolution.   - The Exchange Team Read More

S/MIME support for Exchange Active Sync (EAS) version 2.5 was introduced in Exchange 2003 Service Pack 2 (SP2) and Windows Mobile 5 (WM5) device.  In Exchange 2007 SP1, we are adding S/MIME support for EAS version 2.5, 12.0 and 12.1.  While Read More

An Exchange Server related security bulletin was released yesterday. Here are some details; please go and get the patches that apply to your Exchange version! Issued: May 08, 2007 Impact of Vulnerability: Remote Code Execution Maximum Severity Read More

Understanding how certificates are selected for a Transport layer Security (TLS) session will help you troubleshoot TLS issues. Since we shipped Exchange 2007, support engineers Jenny Frye and Stuart Presley have been helping customers work through issues Read More

EDIT 10/4/2007: Since this post has been published, we have updated the Exchange 2007 Autodiscover Service whitepaper to include this information. Please consult the whitepaper for most up-to-date information. With Exchange 2007 we introduce the idea Read More