Although you mentioned that you wouldn't like to use JavaScript, I've found EmailJS to work fine. You can use your gmail account as the email provider. I believe the monthly request limit is 200 when using the free plan.
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I don't get why anyone who doesn't belong in a risk group is afraid of the virus? I'd rather obtain natural immunity for a flu-like virus instead of resorting to vaccines that use a new technology and aren't long-term tested.
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