Blynk Simple e-mail example

/*************************************************************
  Simple e-mail example

  App project setup:
    E-mail Widget

  Connect a button to digital pin 2 and GND
  Pressing this button will send an e-mail

  WARNING: You are limited to send ONLY ONE E-MAIL PER 15 SECONDS!
 *************************************************************/
#define BLYNK_PRINT Serial    // Comment this out to disable prints and save space
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
#include <SimpleTimer.h>
SimpleTimer timer;

// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "461366bb2e7d46b7b0a0d4d785da7c3b";
// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "74170287";
char pass[] = "24063173";

/* Set this to a bigger number, to enable sending longer messages */
//#define BLYNK_MAX_SENDBYTES 128

void emailOnButtonPress()
{
  // *** WARNING: You are limited to send ONLY ONE E-MAIL PER 15 SECONDS! ***
  // Let's send an e-mail when you press the button
  // connected to digital pin 2 on your Arduino

  int isButtonPressed = !digitalRead(2); // Invert state, since button is "Active LOW"

  if (isButtonPressed) // You can write any condition to trigger e-mail sending
  {
    Serial.println("Button is pressed."); // This can be seen in the Serial Monitor
    Blynk.email("alex9ufo@gmail.com", "Subject: Button Logger", "You just pushed the button...");

    // Or, if you want to use the email specified in the App (like for App Export):
    //Blynk.email("Subject: Button Logger", "You just pushed the button...");
  }
}

void setup()
{
  // Debug console
  Serial.begin(9600);

  Blynk.begin(auth, ssid, pass);
  while (Blynk.connect() == false) {
     // Wait until connected
   }

  // Setup a function to be called every minute
  // Send e-mail when your hardware gets connected to Blynk Server
  // Just put the recepient's "e-mail address", "Subject" and the "message body"
  Blynk.email("alex9ufo@gmail.com", "Subject", "My Blynk project is online.");

  // Setting the button
  pinMode(2, INPUT_PULLUP);
  // Attach pin 2 interrupt to our handler
  attachInterrupt(digitalPinToInterrupt(2), emailOnButtonPress , CHANGE);
}

void loop()
{
  Blynk.run();
  timer.run();
}