Unrelated - I use kagi too! I was watching a supervised learning series on YouTube by Killian Weinberger here [0] and he used an email from kagi as an example of spam.
[0] https://youtube.com/playlist?list=PLl8OlHZGYOQ7bkVbuRthEsaLr...
[0] https://youtube.com/playlist?list=PLl8OlHZGYOQ7bkVbuRthEsaLr...