Emails sent from permitted email addresses in a specific format to firstname.lastname@example.org are converted to SMS’s and sent to the specified recipient(s).
Email addresses from which emails will be permitted are set on the “Email settings” page. Emails sent to email@example.com need to be formatted as follows:
A message may be sent to a group by replacing the list of recipients with the ID of the group in the first line of the email. The group ID may be found using the REST API, or alternatively you may contact support.