Static images hosted by Adobe are not served with cache control header directives.

Description

Static images hosted by Adobe are not served with cache control header directives. Consequently, the image is served each time different clients read the email from ACC server, which is not optimal. A cache control directive could make the image get from the cache of a reverse/proxy server.

Resolution

This issue can be addressed by updates to the infrastructure; for example, there is an option to cache a folder on AWS side. On-premise customers can research additional options on their own.

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