VisibleThread Help Center

    How to download the Readability/Email server



    There are 2 models supported for deployment of the VisibleThread Readability/Email server on premise:

    • A Red Hat package (rpm files) that you install into your own Red Hat server instance.
    • A pre-packaged Virtual Appliance (.ova file) that you import into your virtualization infrastructure. The VM contains a pre-installed Ubuntu Operating System plus VisibleThread components. We have tested and certify deployment on VMWare ESX hypervisor. If you wish to deploy the appliance on a different hypervisor, please contact our support team at



    Red Hat RPM install

    Details of how to obtain the VisibleThread RPM's and install them can be found here:


    Ubuntu Virtual Appliance deployment

    You can download the files over http by clicking on the following links to download the required files:

    Verifying the downloaded file sizes

    Once you have downloaded the required file, you can verify that the file sizes are correct to ensure the download completed successfully:

    size : 6,812,466,176 bytes, md5sum : 1b6260bc35427d7ea24e384a997c6b93

    Details of how to deploy the virtual appliance can be found here:





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