This video tutorial explains how to send a group email with gmail and hoolie from your mac. It shows how how to set-up your gmail account and server settings within hoolie and then send your message to your group.
For a little more information, you can view Gmail’s guidlines on sending group email here:
https://support.google.com/mail/bin/answer.py?hl=en&answer=81126
As always, please get in touch with us if you need any help with this set-up.