Risk analysis

A revised version of the file containing the risk analysis has been committed here: https://bitbucket.org/flowingmail/protocol/commits/all

A custom tool (that will be published soon with an open source license) generated the following graph of requirements (green) and risks (color changes according to the risk factor after the mitigation).
Requirements may introduce new requirements or risks, while risks can be mitigated by new requirements

RiskAnalysis