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How to send mail from your GMail account using JavaMail?

Download the following libraries:

Run the following code sample:

import java.security.Security;
import java.util.Properties;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import com.sun.net.ssl.internal.ssl.Provider;
public class GMailTest {
	private static final String SMTP_HOST_NAME = "smtp.gmail.com";
	private static final String SMTP_PORT = "465";
	private static final String emailMsgTxt = "Test Message Contents";
	private static final String emailSubjectTxt = "A test from gmail";
	private static final String emailFromAddress = "YourAccount@gmail.com";
	private static final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";
	private static final String[] sendTo = { "TargetAddress@AnyWhere.com" };
	public static void main(String args[]) throws Exception {
		Security.addProvider(new Provider());
		new GoogleTest().sendSSLMessage(sendTo, emailSubjectTxt, emailMsgTxt,
				emailFromAddress);
		System.out.println("Sucessfully Sent mail to All Users");
	}
	public void sendSSLMessage(String recipients[], String subject,
			String message, String from) throws MessagingException {
		boolean debug = true;
		Properties props = new Properties();
		props.put("mail.smtp.host", SMTP_HOST_NAME);
		props.put("mail.smtp.auth", "true");
		props.put("mail.debug", "true");
		props.put("mail.smtp.port", SMTP_PORT);
		props.put("mail.smtp.socketFactory.port", SMTP_PORT);
		props.put("mail.smtp.socketFactory.class", SSL_FACTORY);
		props.put("mail.smtp.socketFactory.fallback", "false");
		Session session = Session.getDefaultInstance(props,
				new javax.mail.Authenticator() {
					protected PasswordAuthentication getPasswordAuthentication() {
						return new PasswordAuthentication(
								"YourAccount@gmail.com", "YourPassword");
					}
				});
		session.setDebug(debug);
		Message msg = new MimeMessage(session);
		InternetAddress addressFrom = new InternetAddress(from);
		msg.setFrom(addressFrom);
		InternetAddress[] addressTo = new InternetAddress[recipients.length];
		for (int i = 0; i < recipients.length; i++) {
			addressTo[i] = new InternetAddress(recipients[i]);
		}
		msg.setRecipients(Message.RecipientType.TO, addressTo);
		// Setting the Subject and Content Type
		msg.setSubject(subject);
		msg.setContent(message, "text/plain");
		Transport.send(msg);
	}
}
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