Steam the chopped spinach, squeeze and drain them. Mix together the drained spinach, crumbled feta, onions, parsley, dill, eggs, salt and pepper.
Lightly butter a baking pan, and lay 1 sheet of phyllo dough, brush with melted butter. Lay another sheet of phyllo dough on top, brush with melted butter, and repeat process with 4 more sheets of phyllo. Spread spinach mixture into pan. Layer the remaining sheets of phyllo dough, brushing each with melted butter. Cut the pie and bake in a preheated oven at 350ºF (180ºC) 30 to 40 mn until golden brown.