Steps in setting gmail to not class gwuc emails as spam.

In your web browser, connect to gmail at https://mail.google.com/mail/u/0/?shva=1#inbox

Click on Settings, the gear like symbol at the top right, and choose Setting from the popup menu

Click on "Filters and blocked address" at the top.

Click on "Create a new filter" in the middle.

Enter "@gwuc.org.au" if the From box, and click on "Create filter with this search"

Tick "Never send it to Spam", and click on "Create filter"

That is it!