I also saw this on Zapier. It has been a huge blocker for us to shift to Hubspot.
It looks like that secondary email field (the
leadin_email_… one) is leftover from an issue collected forms (formerly associated with the leadin name) creating a new email property. This issue has since been resolved going forward, but it appears that the property was never removed from your portal. If you reach out to Support, they should be able to get that property deleted for you. Going forward, the