It would probably be more cost effective to have a page people can visit to get the daily summary, rather than using email.
I would also wonder why your pricing structure can't afford 3 cents a month per user to cover the email expense. But without knowing what the application is, I can't really speculate beyond that. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appeng...@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
