To send an email to a Group tap the Compose button and start typing the name of the Group in the To field, just like any other contact.

After you have defined your group:

  • Simply choose the relevant group from the list, compose your email and send it.
  • Another way is to search in the Groups & Contacts screen:
    • Tap the + icon (right to the To line)
    • Switch to Groups and select one
    • Tap Next

The email will be sent to all the Group members.