Arduino Uno Quick Start Manual page 207

Serial.print("Connecting...");
50
-
if (client.connect(_smtp_server, _port) <= 0) {
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Serial.println("connection
-
} else {
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Serial.println("connected.");
55
read_response(client);
-
if (!_use_auth) {
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Serial.println("Using no
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send_line(client, "helo");
-
}
60
else {
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Serial.println("Using
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send_line(client, "ehlo");
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send_line(client,
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send_line(client, _username);
65
send_line(client, _password);
-
}
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send_line(
-
client,
-
"mail from: <"
70
);
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send_line(
-
client,
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"rcpt to: <"
-
);
75
send_line(client, "data");
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send_line(client,
-
send_line(client,
-
send_line(client,
-
send_line(client, "");
80
send_line(client, email.getBody());
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send_line(client, ".");
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send_line(client, "quit");
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client.println("Disconnecting.");
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client.stop();
85
}
-
}
-
};
-
-
#endif
90
Admittedly, this is a lot of code, but we ll walk through it step by step. First,
the SmtpService class encapsulates the SMTP server s IP address and its port.
These attributes are required in any case. In addition, we store a username
and a password in case someone s going to use an authenticated connection.
To communicate with an SMTP server, we have to read its responses, and we
do that using the private
failed.");
authentication.");
authentication.");
"auth login");
+ email.getFrom() +
+ email.getTo() + ">"
"from: " + email.getFrom());
"to: " + email.getTo());
"subject: " + email.getSubject());
read_response method starting on line 13. It waits for
www.it-ebooks.info
Emailing Directly from an Arduino
">"
191
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