Hello Stephen,
Am trying to configure the Newletter plugin, though struggling with the documention as it’s incomplete.
http://doc.snstheme.com/wp/samex/ hasn’t been revised since July 2019, but the Newletter plugin has changed the setup configuration extensively.
Also, there is only 1 configuration shown, but in the title it mentions 5: ” However, In our theme we’re using 5 Custom Forms below “. The others are missing
Attachments:

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newsletter-01.png