Microsoft Windows XP, Vista and Windows 7
Microsoft Outlook versions: 2007, 2010
Download and try OPlus now. Use the evaluation version to test the functions and configurations for free for 30 days. After 30 days, the OPlus functionality will display a single one-time message indicating that the trial period has expired after which the functionality will be disabled. When you purchase a licensed copy, you will have full and uninterrupted use of the software.
If you want to prevent the occurrence (or recurrence) of reply-to-all floods that can cripple your network and crash your severs, this is the software for you.