Microsoft released Exchange 2010 SP3 Update Rollup 3 and Exchange 2007 SP3 Update Rollup 12. These fix the Internet Explorer 11 problem, where Exchange was returning OWA Light instead of OWA Premium.

Are you missing Connection Filtering in Exchange 2013? WinDeveloper Software is about to fill this void in their upcoming IMF Tune release.

A problem exists with Internet Explorer 11 that may cause Exchange 2007/2010 to return the OWA Light interface, instead of OWA Premium. OWA Light does not support third party add-ons hence causing WinDeveloper OWA Recall not to show at the OWA sidebar.

If running IMF Tune v4, today you still have the opportunity to upgrade to IMF Tune v6.1 at a reduced upgrade price. But hurry as this offer ends on 20th October!

A new WinDeveloper Message Recall build is now available. This includes updates to the Recalling Engine and the OWA Recall extension.

IMF Tune build 6.1.108.31 is available for download. This build is intended to replace the various builds we were providing for Exchange 2013. Now, we no longer provide separate builds for each of Exchange 2013 RTM, CU1 and CU2.

Today we continue configuring the Content Filter. We override the Global SCL Thresholds with per mailbox thresholds, configure a list of phrases that identify legitimate and spam emails, add a list of recipient exceptions and customize the SMTP rejection response.

Microsoft just released Cumulative Update 2 for Exchange 2013 RTM. Unfortunately this cumulative update again breaks the transport agent interface. For this reason a new IMF Tune build is now available for Exchange 2013 CU2.

The Content Filter blocks emails containing content typically found in spam emails. Here we learn about the Spam Confidence Level rating system and the configuration of filtering thresholds.

Internet Explorer 10 users may be unable to use the WinDeveloper OWA Recall extension unless an important update is installed at the Exchange Client Access server machine where OWA Recall is running.

The IIS Static Content Service is responsible for the display of basic visual elements. Without it, the IMF Tune Moderator won't display any images. Here is how to solve this problem.

Sender ID filtering works in tandem with SPF records to catch sender address spoofing. We continue our video series with a look at how this filter works and configure the most important options from the management shell.

Setup of a recipient block list, blocking recipients not present at the Address Book, Tarpitting and testing the filter using telnet.

A few weeks ago Microsoft released Cumulative Update 1 for Exchange 2013 RTM. Unfortunately with this update Exchange broke the transport agent interface. For this reason a new IMF Tune build is now available for Exchange 2013 Cumulative Update 1.

Setup of sender block lists, blocking of emails having an empty sender and testing the filter using telnet.

IMF Tune build 6.1.103.11 is available for download. This build is not introducing any new features. Instead we decided to focus on the engine performance. We reviewed the IMF Tune engine code and looked for ways to make it process emails faster.

In this video series we go through the spam filtering functionality available in Exchange 2013 RTM. In this part we install the anti-spam agents, configure the list of internal SMTP Servers and learn to work with list parameters.

On-access disk anti-virus scanning is known to interfere with disk access operations that other applications perform. Here we describe the IMF Tune Server directory structure explaining which disk directories are to be excluded from aggressive anti-virus scanning.

Recalling emails from Outlook didn't change much over the years. We just updated our popular HOWTO article that walks you through email recalling in all Outlook versions from 2013 to 2003.

IMF Tune is future ready, supporting the latest Microsoft technologies. Many Organizations are not in the process of deploying Exchange 2013 yet. Nevertheless we wasted no time in getting our anti-spam solution ready for your next move.

This article discusses various upgrade/migration scenarios you may encounter when deploying IMF Tune v6.x. In both Upgrades and Migrations our primary goal is that of retaining the configuration settings of the old IMF Tune installation.