In this recipe, we demonstrate how to exclude members from using specific email domains when signing up. It’s a useful recipe when you are trying to blocking disposable email accounts. This is an inverse recipe for a previous post that demonstrated how to require members to use one or more approved email domains….

In this recipe, we demonstrate how to require members to use an approved email domain. For example, all members must use their valid university or corporate email account in order to be accepted as a member….