You are creating a content filter that will look for the tag [SECURE] in the subject header. But there is a mistake in the filter menu. See the regex entry in the menu. In the list of subject lines below, select those that will match on this condition. (Choose two.)
A.
Subject: Two vampires walk into a bar… [SECURE]
B.
Subject: Send Credit Card to outside mailbox
C.
Subject: Two investors walk into a bar
D.
Subject: Message should be DKIM signed