I used working scetch and followed the instructions of the author. It may well be a mistake on my side. I am attaching the source code and debug. I will be especially grateful to you if you find error

include

include "HTTPSRedirect.h"

include "DebugMacros.h"

// Fill ssid and password with your network credentials const char ssid = "--------------"; const char password = "--------"; //------------------------------------- HTTPSRedirect client = nullptr; //-------------------------------------- const char host = "script.google.com"; const char googleRedirHost = "script.googleusercontent.com"; // Replace with your own script id to make server side changes // New spreadsheetID july 2019 //const char GScriptId = "AKfycbzmxHIksfDsmQOXVxHq9Fd67KsNMWtMJF_JuNutvoQv14T46co"; // scriptID //AKfycbwrFY95-vkOstegQKpdIdv1mjLgjyNQvGH-lZ0JcxzuS-QB1yY //const char *GScriptId = "--------------------------------------------"; int cn = 0; const int httpsPort = 443;

// echo | openssl s_client -connect script.google.com:443 |& openssl x509 -fingerprint -noout //const char fingerprint = ""; //const uint8_t fingerprint[20] = {}; //------------------------------------------------------------------ //const char fingerprint ="55 5F 55 54 67 1B 98 31 11 A8 45 55 95 D4 CE 3F 80 90 5D A7"; ///// replace const char* fingerprint ="F0 5C 74 77 3F 6B 25 D7 3B 66 4D 43 2F 7E BC 5B E9 28 86 AD"; ///// replace void setup() { Serial.begin(115200); Serial.println(); Serial.print("Connecting to wifi: "); Serial.println(ssid); // flush() is needed to print the above (connecting...) message reliably, // in case the wireless connection doesn't go through Serial.flush();

WiFi.begin(ssid, password); while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); } Serial.println(""); Serial.println("WiFi connected"); Serial.println("IP address: "); Serial.println(WiFi.localIP()); //---------------------------------------------------------------- // Use HTTPSRedirect class to create TLS connection

// HTTPSRedirect client(httpsPort); //----------------------------------------------- // Use HTTPSRedirect class to create a new TLS connection client = new HTTPSRedirect(httpsPort); client->setInsecure(); client->setPrintResponseBody(true); client->setContentTypeHeader("application/json"); //----------------------------------------------------- Serial.print("Connecting to "); Serial.println(host);

bool flag = false; for (int i=0; i<5; i++){ // int retval = client.connect(host, httpsPort); int retval = client->connect(host, httpsPort); if (retval == 1) { flag = true; break; } else Serial.println("Connection failed. Retrying..."); }

Serial.flush(); if (!flag){ Serial.print("Could not connect to server: "); Serial.println(host); Serial.println("Exiting..."); return; }

Serial.flush(); // if (client.verify(fingerprint, host)) { if (client->verify(fingerprint, host)) { Serial.println("Certificate match."); } else { Serial.println("Certificate mis-match"); }

}

//funtion URL String urlpacket( String GScriptId,String Address, String Message , String subject) {

//replace - remplazo " " for "+" para envio atravez de url, for send via url
Message.replace(" ", "+"); subject.replace(" ", "+");

String url = String("/macros/s/") + GScriptId + "/exec?"+ "Address=" + Address + "&Message=" + Message + "&subject="+ subject + "&sendMail=ok";
return url; } //------------------------------------------------------------ void loop() { //HTTPSRedirect client(httpsPort); //----------------------------------------------- // Use HTTPSRedirect class to create a new TLS connection client = new HTTPSRedirect(httpsPort); client->setInsecure(); client->setPrintResponseBody(true); client->setContentTypeHeader("application/json"); //------------------------------------------------- // if (!client.connected()) if (!client->connected()) { // connect to the gmail server on port 443 Serial.println("Connection with Gmail failed"); // client->stop(); // return -1; // break; } // client.connect(host, httpsPort); client->connect(host, httpsPort); Serial.println("run..."); String Address ="----------@gmail.com"; ///Email address String subject ="Send Mail from esp8266-01 (Alex Pol) "; String Message ="Alarm - Main door is open"; //--------------------------------------------------------
if (cn==10) {
//Counter = 10 send Mail //// Contador = 10 envia correo // Write to Google Spreadsheet
String urlout= urlpacket(GScriptId,Address,Message,subject); // client.printRedir(urlout, host, googleRedirHost); client->GET(urlout,host); Serial.println("Mail sending to "+ Address); Serial.println("==============================================================="); } cn++; Serial.println(cn);
delay(5000); //delay 5 sec. // delay(20000); //delay }

WiFi connected IP address: 192.168.0.20 Connecting to script.google.com Certificate match. Connection with Gmail failed

Abort called

stack>>>

ctx: cont sp: 3ffffcf0 end: 3fffffc0 offset: 01b0 3ffffea0: 00000000 00000000 3fff7554 4020f1c8
3ffffeb0: 3ffee8b0 3ffe892d 3fff7554 402051eb
3ffffec0: 00000000 3fffff20 40206e2c 3fffefa0
3ffffed0: 00000000 00000000 00000000 402014df
3ffffee0: 00000d50 3fff777c 3fff7554 40204059
3ffffef0: 000001bb 3fff7554 3ffeeef4 3ffeef6c
3fffff00: 000001bb 3fff7554 3ffe892d 3ffeef6c
3fffff10: 000001bb 3fff7554 3ffe892d 402053fa
3fffff20: 402077a0 0e01d9ac 3ffeeef4 402063c0
3fffff30: 3ffeeebc 3ffe84e0 3ffeeef4 40202fc1
3fffff40: 3ffe85e2 3fff0514 3ffe892d 40206349
3fffff50: 3ffe876a 00000000 3ffeeef4 40206374
3fffff60: 402077a0 3ffeeebc 3ffeeef4 402063c0
3fffff70: 3ffe84e0 3ffeeebc 3ffeeef4 40202e2e
3fffff80: 402077a0 1400a8c0 feefeffe feefeffe
3fffff90: feefeffe feefeffe feefeffe 3ffeef6c
3fffffa0: 3fffdad0 00000000 3ffeef3c 40206ed8
3fffffb0: feefeffe feefeffe 3ffe8518 401009a5
<<<stack<<<

last failed alloc call: 4020F1F8(16709)

ets Jan 8 2013,rst cause:4, boot mode:(1,6)

wdt reset