2.2.1 Installing MetaDefender Email Security using the command line

The instruction below apply when installing the stand-alone version of MetaDefender Email Security.

Perform the following steps to install MetaDefender Email Security using the command line:

  1. Download MetaDefender Email Security installation package from the OPSWAT Portal. Make sure that you download the applicable package for your operating system version

  2. Copy the installation package to your server

  3. Install the product with the following command (<filename> is the MetaDefender Email Security package you downloaded from our portal):

    > msiexec /i <filename> <option key>=<option value>

    The possible option keys and their default option values are the following:


    Default Value



    REST interface binding address



    REST interface binding port

For details on using msiexec please consult Windows installer documentation.