When posting a new challenge, you have the option to trigger a mass-email alert to all users to which you have assigned the challenge. This is highly recommended as it accelerates the awareness of your challenge campaign and encourages a flow of ideas faster. To send a mass-email alert about your challenge, just click the 'Send an email notification' button. You can edit the subject line and body of the email before sending it, to ensure it matches your brand tone and description: