Which tasks must be performed during the installation of the UTL_MAIL package?

Which tasks must be performed during the installation of the UTL_MAIL package? (Choose all that apply.)

A.
setting the UTL_FILE_DIR initialization parameter

B.
running the UTLMAIL.SQL and prvtmail.plb scripts

C.
setting the SMTP_OUT_SERVER initialization parameter

D.
using the CREATE DIRECTORY statement to associate an alias with an operating system directory

E.
granting read and WRITE privileges to control the type of access to files in the operating system