First login to GMAIL (https://mail.google.com/) on a laptop or desktop computer (the settings below are not visible on the mobile app)
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Instructions
1. Open the desired email.
2. Click the three dots in the top-right corner of the email.
3. Select "Filter messages like these."
4. Set your filter parameters and select "Create filter."
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5. On the next screen, make sure all fields are EMPTY.
6. Type "WEBSITE LEAD FROM" (with speech marks around it) into the "Includes the words" field. (as shown below)
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7. Click CREATE FILTER
8. On the next screen tick the boxes "NEVER SEND TO SPAM" and "ALWAYS MARK IT AS IMPORTANT" (as shown in image below)
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9. Click CREATE FILTER
10. New messages from your website will not go into spam.