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.