Using the Newsletter plugin, I have have a list of subscribers that have received a newsletter. I now have a list
new_users that I would like to send out the newsletter to, excluding the rest of the subscribers who have already received it.
Plugin documentation: https://wordpress.org/plugins/newsletter/
Is this a capability supported by this plugin? If so, how can I do this? Are lists just for analytics?
Read more here: How to send newsletter only to members of a specific list?