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Reminders to patients by email

*openEMR 5.0.2 (5) under xampp in win 10.
Hi,
I have not managed with any guide, make the appointment reminder to the patients functions, I tried installing mercury, running the scripts with the win task manager and nothing, the weird thing is that it is not seen that the messages are loaded to be sent . Can someone guide me on the configuration so that the table is loaded and when running the script the mails are sent either by mercury or another service.
Thank you