If you have a gmail account and your Infinite Campus alert messages are going directly to Spam; here is how to fix it.
1. Click on the "gear" in your email and choose Settings.
Click on Filters and Blocked Addresses
2. Click on Create a new filter
3. In the From field put in this address and then click on Continue:
4. Click on Never send it to Spam then click on Create Filter
You can also add the address to your contacts list to help ensure it gets through.