Simple Newsletter Mattrs

Lightweight, self-hosted newsletter: double opt-in signup (shortcode + block), queued/batched broadcasts via Action Scheduler, one-click unsubscribe with RFC-8058 headers. Sends through wp_mail().

Lightweight, self-hosted newsletter: double opt-in signup (shortcode + block), queued/batched broadcasts via Action Scheduler, one-click unsubscribe with RFC-8058 headers. Sends through wp_mail().