It appears that is a legitimate email, check this thread:
https://forum.inaturalist.org/t/is-the-email-about-changing-paypal-donation-for-some-other-system-valid/75135/4
It appears that is a legitimate email, check this thread:
https://forum.inaturalist.org/t/is-the-email-about-changing-paypal-donation-for-some-other-system-valid/75135/4