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Sendmail upgraded to ESP-Mail-Client v3.4.9 from v1.2.0, using BearSSL instead of MbedTLS (#19460)
* `Sendmail` upgraded to ESP-Mail-Client v3.4.9 from v1.2.0, using BearSSL instead of MbedTLS * Fix compilation on ESP8266 * Fix compilation * fix compilation
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s-hadinger
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/**
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* Created by K. Suwatchai (Mobizt)
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*
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* Email: suwatchai@outlook.com
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*
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* Github: https://github.com/mobizt/ESP-Mail-Client
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*
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* Copyright (c) 2023 mobizt
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*/
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// This example showes how to send Email using custom commands.
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/** Note for library update from v2.x.x to v3.x.x.
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*
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* Struct data names changed
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*
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* "ESP_Mail_Session" changes to "Session_Config"
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* "IMAP_Config" changes to "IMAP_Data"
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*
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* Changes in the examples
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*
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* ESP_Mail_Session session;
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* to
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* Session_Config config;
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*
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* IMAP_Config config;
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* to
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* IMAP_Data imap_data;
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*/
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#include <Arduino.h>
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#if defined(ESP32) || defined(ARDUINO_RASPBERRY_PI_PICO_W)
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#include <WiFi.h>
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#elif defined(ESP8266)
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#include <ESP8266WiFi.h>
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#elif __has_include(<WiFiNINA.h>)
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#include <WiFiNINA.h>
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#elif __has_include(<WiFi101.h>)
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#include <WiFi101.h>
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#elif __has_include(<WiFiS3.h>)
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#include <WiFiS3.h>
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#endif
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#include <ESP_Mail_Client.h>
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#define WIFI_SSID "<ssid>"
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#define WIFI_PASSWORD "<password>"
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/** For Gmail, the app password will be used for log in
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* Check out https://github.com/mobizt/ESP-Mail-Client#gmail-smtp-and-imap-required-app-passwords-to-sign-in
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*
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* For Yahoo mail, log in to your yahoo mail in web browser and generate app password by go to
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* https://login.yahoo.com/account/security/app-passwords/add/confirm?src=noSrc
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*
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* To use Gmai and Yahoo's App Password to sign in, define the AUTHOR_PASSWORD with your App Password
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* and AUTHOR_EMAIL with your account email.
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*/
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/** The smtp host name e.g. smtp.gmail.com for GMail or smtp.office365.com for Outlook or smtp.mail.yahoo.com */
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#define SMTP_HOST "<host>"
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/** The smtp port e.g.
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* 25 or esp_mail_smtp_port_25
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* 465 or esp_mail_smtp_port_465
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* 587 or esp_mail_smtp_port_587 // See STARTTLS.ino example
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*/
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#define SMTP_PORT esp_mail_smtp_port_465 // port 465 is not available for Outlook.com
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/* The log in credentials */
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#define AUTHOR_EMAIL "<email>"
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#define AUTHOR_PASSWORD "<password>"
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/* Declare the global used SMTPSession object for SMTP transport */
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SMTPSession smtp;
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const char rootCACert[] PROGMEM = "-----BEGIN CERTIFICATE-----\n"
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"-----END CERTIFICATE-----\n";
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#if defined(ARDUINO_RASPBERRY_PI_PICO_W)
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WiFiMulti multi;
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#endif
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void customCommandCallback(SMTP_Response res)
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{
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// The res.id is the command identifier number that use to identify the source of command.
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// The command identifier number can be set via the last parameter of customConnect and sendCustomCommand functions.
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// If command identifier number was not set in those functions, the res.id received will be auto increased and begins with 0
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MailClient.printf("> C: Command ID %d\n", res.id);
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MailClient.printf("< S: %s\n", res.text.c_str());
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if (res.statusCode > 0)
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{
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MailClient.printf("> C: Response finished with status code %d\n\n", res.statusCode);
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}
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}
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void setup()
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{
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Serial.begin(115200);
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#if defined(ARDUINO_ARCH_SAMD)
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while (!Serial)
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;
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#endif
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Serial.println();
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#if defined(ARDUINO_RASPBERRY_PI_PICO_W)
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multi.addAP(WIFI_SSID, WIFI_PASSWORD);
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multi.run();
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#else
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WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
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#endif
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Serial.print("Connecting to Wi-Fi");
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#if defined(ARDUINO_RASPBERRY_PI_PICO_W)
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unsigned long ms = millis();
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#endif
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while (WiFi.status() != WL_CONNECTED)
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{
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Serial.print(".");
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delay(300);
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#if defined(ARDUINO_RASPBERRY_PI_PICO_W)
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if (millis() - ms > 10000)
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break;
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#endif
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}
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Serial.println();
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Serial.print("Connected with IP: ");
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Serial.println(WiFi.localIP());
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Serial.println();
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/* Set the network reconnection option */
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MailClient.networkReconnect(true);
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// The WiFi credentials are required for Pico W
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// due to it does not have reconnect feature.
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#if defined(ARDUINO_RASPBERRY_PI_PICO_W)
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MailClient.clearAP();
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MailClient.addAP(WIFI_SSID, WIFI_PASSWORD);
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#endif
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/* Declare the Session_Config for user defined session credentials */
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Session_Config config;
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/* Set the session config */
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config.server.host_name = SMTP_HOST;
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config.server.port = SMTP_PORT;
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config.login.email = AUTHOR_EMAIL;
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config.login.password = AUTHOR_PASSWORD;
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/** Assign your host name or you public IPv4 or IPv6 only
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* as this is the part of EHLO/HELO command to identify the client system
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* to prevent connection rejection.
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* If host name or public IP is not available, ignore this or
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* use loopback address "127.0.0.1".
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*
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* Assign any text to this option may cause the connection rejection.
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*/
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config.login.user_domain = F("127.0.0.1");
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/* Connect to the server */
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if (!smtp.connect(&config))
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return;
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if (smtp.isAuthenticated())
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Serial.println("\nSuccessfully logged in.");
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else
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Serial.println("\nConnected with no Auth.");
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// Please don't forget to change sender@xxxxxx.com to your email
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if (smtp.sendCustomCommand(F("MAIL FROM:<sender@xxxxxx.com>"), customCommandCallback) != 250)
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{
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smtp.closeSession();
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return;
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}
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// Please don't forget to change recipient@xxxxx.com with your recipient email
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if (smtp.sendCustomCommand(F("RCPT TO:<recipient@xxxxx.com>"), customCommandCallback) != 250)
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{
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smtp.closeSession();
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return;
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}
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if (smtp.sendCustomCommand(F("DATA"), customCommandCallback) != 354)
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{
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smtp.closeSession();
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return;
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}
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// Send data with command which terminated with dot '.'
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if (smtp.sendCustomCommand(F("Subject: Test sending Email\r\nHello World!\r\n."), customCommandCallback) != 250)
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{
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smtp.closeSession();
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return;
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}
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// Do not use this command in ESP8266 due to memory leaks in ESP8266 core BearSSL.
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// smtp.sendCustomCommand(F("QUIT"), customCommandCallback);
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smtp.closeSession();
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// to clear sending result log
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// smtp.sendingResult.clear();
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MailClient.printf("Free Heap: %d\n", MailClient.getFreeHeap());
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}
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void loop()
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{
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}
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