Implement ACAP server protocol support. This could be ideal for projects like wssmail, which could use the ACAP protocol to store certain configuration information on the server, and in general, for other types of clients to store configuration in a centralized manner. At the same time, such support should be optional, since most servers don't support ACAP and probably wouldn't store stuff the same way even if they did, so in some sense, any implementation is doomed to become "proprietary" to some extent. Some research should be done to see how this can be designed to be the most interoperable possible.
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