Minimal SMTP client for ESP32 with RAM and filesystem attachments.
Lightweight Arduino library for sending emails via SMTP over implicit TLS (port 465) or STARTTLS (port 587), with text or HTML body and attachments from RAM or any fs::FS filesystem, using streaming Base64 encoding to keep memory usage low. Supports server-certificate verification with a PEM CA certificate in SMTPS and STARTTLS modes.
| Filename | Release Date | File Size |
|---|---|---|
| SmtpMini-1.0.1.zip | 2026-11-10 | 19.80 KiB |
| SmtpMini-1.0.0.zip | 2026-11-10 | 19.36 KiB |