Send Messages to Group Members
You can email your group or selected members of your group at any time.
First, log in to the site with the username and password that you used to create the sign up. Choose the "Created" tab and click on the icon for your sign up. At the top of the screen, locate the Admin's Toolbar and select the "Send a Message" option. From there you'll see the option to "Email People Participating in a Sign Up." Once you select that option, you can click the "Select People" button to email everyone in your group that hasn't signed up or specific participants associated with the sign up.
You can also go straight to the "Messages" icon on the left side of your account home page to compose and send an email.
Posted by SignUpGenius