Catholicism had had a bad rap when it comes to science. Genetics was discovered by Catholic monks in the 12th century (I think, it may have been the 13th century). How Christianity has gotten this slam dunk that it is against science while building the most modern countries in the world is beyond me.
The University ran the mail service, which is only right since everybody who could write and read either worked for the university or the church or the king and the king had his own couriers.