What are two possible outcomes when "Send as Multipart MIME" is selected during the send...

When selecting "Send as Multipart MIME" during the email send process:

Activity Tracking: Both the HTML and text versions of the email allow for the tracking of opens and clicks, ensuring that engagement data is captured regardless of the version the recipient views.

Auto-generated Text Version: Alongside the HTML email, a text version is automatically generated and sent. This ensures that recipients whose email clients do not support HTML can still receive and read the email content.