If you had the chance to work with Sitecore Email Experience Manager (aka EXM), you probably had to configured the connection string keys EXM.CryptographicKey

While preparing a new environment, we started having the following error in the logs: ERROR [ListManager]: List operation root item wasn't found It

After uploading a HTML email document, you might experience a message saying “The selected page could not be displayed“. Here is a possible cause. For