What's the problem with the classic email confirmation ? If the user provides it they are agreeing on receive at least one email. You don't need to store the email address if that could be a problem.
Glad to see that you are building things around NS. Hope you showcase them soon ! -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/tiddlywiki. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/80d73547-28a4-4ffa-aeed-f777293114f6%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.

