How to Log the Sharing of Mail Boxes?

[Victor Silva <vfbsilva@xxxxxxxxx>]

Hello folks. I`m working in a environment where I need to keep track of whose accounts have shared a given mailbox (due to legal issues). I was unable to find such funcionality in cyrus documentation. I know I can recover the logs of the people who have accessed the box but this is a bit different of the info I want. Have any of you ever had such demand? 






Regards,
Victor Silva
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