we create a custom registration page to register extra-net user in our sitecore application ,but our customer request activation email to activate account . the problem is there is no activation filed in the sitecore core db , there is any solution to achieve this requirement ?
string userName = string.Concat(firstName, lastName);
userName = string.Format(@"{0}\{1}", domain, userName);
string newPassword = Membership.GeneratePassword(10, 3);
try
{
if (!User.Exists(userName))
{
Membership.CreateUser(userName, newPassword, email);
}