This great blog post by the Forefront team about Backscatter protection and how to deal with it using Forefront Protection 2010 for Exchange Server. In essence, backscatter is a DSN (Delivery Status Notification) delivered to a recipient who never sent the original mail in the first place. While the DSN itself is perfectly legitimate and valid notification initiated by a reputable MTA, it has been sent to a user who never initiated the original mail …
Microsoft has announced an update of the Exchange 2007 Storage Cost Calculator. The new version 2.9 is available for download here. For more information about the enhancements in the new version, check the blogpost at msexchangeteam.com.
A third party Exchange Client for Google Android (The Google Mobile platform) has been confirmed. It’s being developed by Aardvark Labs and is currently in limited beta. The client will provide real-time, wireless synchronization of email, calendar, and contacts for the Google Android OS and T-Mobile G1. Public launch of the Exchange Client begins Q1 of 2009 and a limited beta will commence shortly. Not that Google Android phones are that available yet, it could …
This post is not directly Exchange related, but more general about one way of enhancing messaging security, so it’s actually relevant no matter what messaging platform you have. In this post I’ll try to outline some of the hosted mail gateway security products that are available on the market. A mail gateway is generally used to relay mail in and out of the company. Mail Security gateway became popular services a few years back, by …
As previously written in one of my earlier posts and on msexchangeteam.com, a pre-release version of Update Rollup 4 for Exchange Server 2007 Service Pack 1 (KB952580) was inadvertently made available to Microsoft Update, the Microsoft Update Catalog, and Windows Software Update Services (WSUS) servers for download and soon after taken offline again. Now the final release of Update Rollup 4 for Exchange Server 2007 Service Pack 1 has been released. Fixes for the following …