We'd like to increase the quality of the email addresses used to sign up for our service. We currently get a lot of throwaway emails. Does supertokens have any features for this?

Hey. You could switch on email verification

We have email verification, but that doesn't prevent users from using a spam email, so I guess just wondering if there's something else we can do.

Nothing built in that we offer. You could delete users that are not verified after a day or something