Question $77(1$ point$)$

Here are several statements about MIME. Select all that are true.

Plain text emails may only contain $7-$bit characters; MIME allows messages to use a richer character set.

MIME performs virus scanning.

A MIME email may contain two copies of a message: one in simple ASCII text and another in a richer text format.

MIME has always been a part of the internet email standard.