In order to send email notifications on build completion using Jenkins' built in mail functionality, which TWO of the following must be true?

In order to send email notifications on build completion using Jenkins’ built in mail functionality, which TWO of the following must be true?

In order to send email notifications on build completion using Jenkins’ built in mail functionality, which TWO of the following must be true?
A . The job must be configured to send email.
B . Jenkins must be successfully configured to point to a mail server.
C . Jenkins must be directly connected to the Internet.
D . Jenkins must have a unique email address.
E . Sendmail must be Installed and running on the same machine as Jenkins.

Answer: A, B