Sending SMTP with Uno R4 Wifi

Using Arduino Networking, Protocols, and Devices
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I have a project at work where we need to send a notification email from an Uno R4 Wifi module.

Most of the SMTP/email libraries seem to be for ESP8266 and give me compile errors. New at this- confused... but I need to get this up and running.

I just need to send a simple SMTP email - "Hey, this event happened" type of thing. I don't need to receive email, send attachments or photos, etc.

Can someone point me at a simple, usable SMTP library for the Uno R4 WiFi?

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