Overview:
A user to be notified that an email message did not go through due to having an invalid email address.

Entry:
User sends email message.

Acceptance Criteria:
*IF I send an email to an invalid email address, I am notified that the email did not go through (either via pop-up immediately or through email).
*IF I send an email to an invalid email address, this is also reflected in the communication history that it bounced, and reasoning.

Exit:
*User gets notification that the email did not go through due to an invalid email address.

Prerequisites:
*User is a current user of DMS or consuming application.