将多个电子邮件地址与ASP.NET MembershipProvider帐户相关联

For a project I am currently working on, I am interested in allowing users to provide multiple e-mail addresses, both for contact purposes as well as providing address book-based social matching. I plan to write a custom membership provider (aspnet_Membership table is too heavy for my liking), but the MembershipProvider system only allows for one e-mail address per account.For a project I am currently working on, I am i