Share custom domains used for aliases with members of multi-user plan
When I subscribe to a multi-user plan (Duo, Family, Visionary), I can create email addresses for other users from any custom domain that's been added via the Proton settings.
However, other users cannot use domains that I have added to SimpleLogin (or now, Proton Pass). Please rationalize the use of domains across Proton Mail / Pass / SimpleLogin so that there's one way and custom domains can be shared with plan users for all purposes.

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No commented
I am honestly shocked this doesn't exist and I may need to cancel migrating to P/SL as a result. Why in the world would you offer multi-user / family plans and then not give each of the family members the ability to each create aliases off the shared family custom domain? Creating subdomains for each family member is stupid.