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I am currently trying to implement email sending using the C++/Arduino framework on a system combining a **Raspberry Pi Pico (RP2040)** and a **W5500** (via an Ethernet HAT or similar).
If anyone has a successful implementation or is aware of **specific techniques** to overcome these resource constraints (e.g., using an extremely small TLS library, specific optimization flags), I would be very grateful for your guidance.
Thank you in advance for your insights.
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Hi Folkloro,
you can find some resources in this article:Raspberry Pi Pico and rp2040 board: ethernet w5500 with plain (HTTP) and SSL (HTTPS) requests
Then in the library, there is a specified property to activate embedded SSL:
This is the define
But pay attention only to SSL/TLS non STARTTLS (only port 465, not 587)
Hope this help, give us a feedback.
Bye Renzo -
Thanks for the guidance and the documentation you shared earlier.
I tried to create a program based on the provided materials, but I couldn’t get it to work as expected. I’m uploading a small sample to reproduce the issue.
Could you please let me know if there are any required settings or common configuration points I might be missing?
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