You can easily send one way emails to a group(s) or individual(s), attendees in future or past classes or a custom group. 

Step 1: Go to Messaging and Click Compose Email
Step 2: Enter Subject and Message. If you would like to use an existing email template, select it from your list of existing templates. Learn How to Create Email Templates.
​Step 3: Select group(s) or add an individual(s) that you would like to send your message to. You can manually add member(s) by using the member look up.  Type in the member name in the blank white space and then select the member.
​Step 4: Once your channel messages are ready, click on “Send”. 

FAQ:
​How can I send to multiple groups?  To send to multiple groups, click the + and then check the box of the groups you'd like to send messages to. You can click as many boxes as your'd like.
​Can I send an email from the Member's Profile Page? To easily send an email to one individual, you click "Send Email" from the member's profile page. It will take you directly to the compose email page from there enter subject and message and click send.