To ensure HAULIX emails get delivered to your Gmail inbox, follow these steps to whitelist the domain.
1. In Gmail, click the cog in the top right corner of the page and select Settings.
2. Click Filters, Followed by Create New Filter.
3. In the FROM box, type '@haulix.com'.
4. Click the Search button.
5. Click More in the search box. Then click Create Filter ---> Continue.
6. Check the box labeled Never Send It To Spam.
7. Click Save.