For your situation (where an Eiruv Chatzeiros was done): If the delivery man leaves the package in a place where it is permissible to carry on Shabbos to and from…
For your situation (where an Eiruv Chatzeiros was done): If the delivery man leaves the package in a place where it is permissible to carry on Shabbos to and from…
If it is possible to open the package without ripping the letters then one may attempt to do so even if there is a chance that he may accidentally tear…
If you or the sender did not intend to have it specifically arrive on Shabbos, then you do not need to wait at all. If the package was intended to…
