We have several hundred email addresses which were collected via our previous email marketing platform, which did not require users to submit name information.

Now that we are using NXT's email marketing capability, we need to import those addresses into NXT. Because the email addresses we have do not have name information associated with them, and since Last Name is a required import field, there is no option to add these contacts as Constituent Records or in any other way. 

There is currently no solution to this, which severely limits our ability to reach our constituents - who signed up and want to hear from us, but can't due to NXT's limitations.