To send messages to other users or group of users go to “Messages” and then click the left side menu in “Actions—>”Create announcement".

Just follow the instructions, you are able to choose a template and recipients and also set the announcement as “News”. If needed you can also send the announcement to one or more email addresses and set it as pop up when signing again.

Finally if you want to set the announcement to be sent in the future just click in “Schedule mailing” and set a date!