Windows IT Pro magazine recently held a webinar titled “How to Simplify Exchange Troubleshooting – An In-Depth Look at Tools” (access the archived version here…
So far we’ve known that Exchange Server 2003’s content filter – the Intelligent Message Filter (IMF), uses Gateway and Store thresholds and (Gateway) action that…
RFC 2821 requires a SMTP host to send non-delivery report if a message is accepted but cannot be delivered, and the reverse path is *not…
For anti-spam agents like IP Block List providers (aka DNSBLs/RBLs), and Sender ID, it is important to know about which non-Exchange SMTP servers receive inbound…
Exchange Server 2003’s Intelligent Message Filter (IMF) assigns a SCL— a value that indicates the probability of a message being spam – to every message…
The Edge Transport server role in Exchange Server 2007 performs messaging hygiene functions such as Connection Filtering, Sender & Recipient Filtering, Content Filtering, and SenderID…
Microsoft finally did something I’ve been wanting and planning to do (but never quite getting to it) – yes, Exchange Server 2007 now has a…
The Edge Transport server role is not a required role. It’s good to have if you don’t want to expose your domain-joined Exchange servers to…
Exchange Server 2007 Beta 2 has been posted on microsoft.com for public download. You can download it from here. Here’s what you’ll need to set…
Scott Schnoll just posted about this – so I guess it is public info now… :) Exchange Server 2007 Beta 2 will be available for…