Which of the following are drawbacks for publicly publishing your application through e-mail?
(Choose three)

A.
The user must enable installation from “Unknown Source” on the Android device.

B.
The application only reaches a selected set of users that are specified in the email by the
developer prior to sending an email.

C.
Any updated version of the application should be re-attached and sent to the users. There
is no automatic updating.

D.
It is a quick way to send the application to a limited number of users.