My issue: I followed your suggestion in https://www.thenewsletterplugin.com/how-to-make-the-wordpress-cron-work. I set up a cron job and is running successfully. However, in the WP Newsletter Dashboard, at the very top, I still see the message “The WordPress internal schedule is not triggered enough often. See this page for more information.”. I had this message since I installed your plugin and thought it’d disappear after I started running the cron job but it is still there.
Is that something to be concerned with or will it cycle and disappear over time?
By the way, I have not sent any emails yet using your newsletter plugin.
Newsletter collects some stats about the frequency the scheduler is activated. Check on diagnostic panel the average time between call, it should be around 300 seconds. If much greater the plugin still work but it could not reach the optimum performances while delivering.
If you just setup the external trigger, wait at least one day since the stats updates slowly.