/*
Email client sketch for W51000
*/
#include <SPI.h>
#include <Ethernet.h>
// this must be unique
byte mac[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
char smtp_server[] = "mail.smtp2go.com";
int smtp_port = 2525;
char smtp_user64[] = "Email AddressをBase64に変換した文字列"; //
Your Username of SMTP2GO
char smtp_pass64[] = "PasswordをBase64に変 換した文字列"; // Your
Password of SMTP2GO
char mail_from[] = "MailFrom@example.com"; // Mail From
char mail_to[] = "MailTo@example.com"; // Mail To
EthernetClient client;
void setup()
{
Serial.begin(9600);
Serial.print("Ethernet.begin....");
if (Ethernet.begin(mac) == 0) {
Serial.println("Failed to configure
Ethernet using DHCP");
while(1) {}
}
Serial.println("ok....");
Serial.print("localIP: ");
Serial.println(Ethernet.localIP());
Serial.print("subnetMask: ");
Serial.println(Ethernet.subnetMask());
Serial.print("gatewayIP: ");
Serial.println(Ethernet.gatewayIP());
Serial.print("dnsServerIP: ");
Serial.println(Ethernet.dnsServerIP());
Serial.println(F("Ready. Press 'e' to send."));
}
void loop()
{
byte inChar;
inChar = Serial.read();
if(inChar == 'e') {
if(sendEmail()) {
Serial.println(F("Email
sent"));
Serial.println(F("Ready.
Press 'e' to send."));
} else {
Serial.println(F("Email
failed"));
}
}
}
byte sendEmail()
{
char buff[64];
if(client.connect(smtp_server,smtp_port) == 1) {
Serial.println(F("connected"));
} else {
Serial.println(F("connection failed"));
return 0;
}
if(!eRcv()) return 0;
Serial.println(F("Sending EHLO"));
client.println("EHLO");
if(!eRcv()) return 0;
Serial.println(F("Sending auth login"));
client.println("auth login");
if(!eRcv()) return 0;
Serial.println(F("Sending User"));
// Change to your base64 encoded user
client.println(smtp_user64);
if(!eRcv()) return 0;
Serial.println(F("Sending Password"));
// change to your base64 encoded password
client.println(smtp_pass64);
if(!eRcv()) return 0;
// change to your email address (sender)
Serial.println(F("Sending From"));
sprintf(buff,"MAIL From: <%s>",mail_from);
client.println(buff);
if(!eRcv()) return 0;
// change to recipient address
Serial.println(F("Sending To"));
sprintf(buff,"RCPT To: <%s>",mail_to);
client.println(buff);
if(!eRcv()) return 0;
Serial.println(F("Sending DATA"));
client.println("DATA");
if(!eRcv()) return 0;
Serial.println(F("Sending email"));
sprintf(buff,"To: You <%s>",mail_to);
client.println(buff);
sprintf(buff,"From: Me <%s>",mail_from);
client.println(buff);
client.println("Subject: Arduino email test\r\n");
client.println("Hello !!");
client.println("Mail from my Arduino!");
client.println(".");
if(!eRcv()) return 0;
Serial.println(F("Sending QUIT"));
client.println("QUIT");
if(!eRcv()) return 0;
client.stop();
Serial.println(F("disconnected"));
return 1;
}
byte eRcv()
{
byte respCode;
byte thisByte;
int loopCount = 0;
while(!client.available()) {
delay(1);
loopCount++;
// if nothing received for 10 seconds,
timeout
if(loopCount > 10000) {
client.stop();
Serial.println(F("\r\nTimeout"));
return 0;
}
}
respCode = client.peek();
while(client.available())
{
thisByte =
client.read();
Serial.write(thisByte);
}
if(respCode >= '4')
{
efail();
return 0;
}
return 1;
}
void efail()
{
byte thisByte = 0;
int loopCount = 0;
client.println(F("QUIT"));
while(!client.available()) {
delay(1);
loopCount++;
// if nothing received for 10 seconds,
timeout
if(loopCount > 10000) {
client.stop();
Serial.println(F("\r\nTimeout"));
return;
}
}
while(client.available())
{
thisByte =
client.read();
Serial.write(thisByte);
}
client.stop();
Serial.println(F("disconnected"));
}
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