Something like this?
I know about fist one you posted, but there is nothing anonymous about this services.
Only few alternatives I found are accepting cryptocurrency payments, and so far only one is privacy respecting service with lockers you can rent.
Probably better anyway in terms of privacy to have a different company in each country.
This is not an option.
In some countries in Europe, there are services that deliver directly to public parcel lockers. This only works within a specific country -hence both sender and receiver should be within the same country/region that the service/parcel locker brand operates.
I need international service for countries in EU.
One service I found MondialRelay is connection France, Belgium Spain, Portugal and Netherland.
Problem is that they don't have anything written in English language and support is not speaking English also
Another similar service I found is called tiptrans.com, they support Bitcoin payments, and they have English language.
This is more like forwarding service and I don't know anybody who used it.