SendEmail.java

package com.ese.ils.beta.util;

import java.io.File;
import java.io.UnsupportedEncodingException;
import java.util.*;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.*;
import javax.mail.internet.*;

/**
 * Hilfsklasse zum Versenden von E-Mails
 * Verarbeitet jeweils eine Adresse und einen Dateianhang
 * Server-Eigenschaften muessen festgelegt werden
 * @author eduard walter
 * 
 */
public class SendEmail {

	public static void sendFilePerMail(File file, String eMail) {
		Properties props = new Properties();
		props.put("mail.smtp.host", "smtp.1und1.de");
		props.put("mail.from", "admin@handmadeweb.de");
		props.put("mail.transport.protocol", "smtp");
		props.put("mail.smtp.auth", "true");
		props.put("mail.smtp.user", "USER");
		props.put("mail.password", "PASSWORD");

		javax.mail.Authenticator auth = new javax.mail.Authenticator() {
			@Override
			public PasswordAuthentication getPasswordAuthentication() {
				return new PasswordAuthentication("USER", "PASSWORD");
			}
		};

		Session session = Session.getInstance(props, auth);

		try {
			MimeMessage msg = new MimeMessage(session);
			msg.setFrom(new InternetAddress("USER", "the ILS-team"));
			msg.setRecipients(Message.RecipientType.TO,
					InternetAddress.parse(eMail, false));
			msg.setSubject("group content");
			msg.setSentDate(new Date());
			msg.setText("Please find attached your wished group-content.");

			// create the second message part
			MimeBodyPart mbp2 = new MimeBodyPart();

			// attach the file to the message
			FileDataSource fds = new FileDataSource(file);
			mbp2.setDataHandler(new DataHandler(fds));
			mbp2.setFileName(fds.getName());

			// create the Multipart and add its parts to it
			Multipart mp = new MimeMultipart();
			mp.addBodyPart(mbp2);

			// add the Multipart to the message
			msg.setContent(mp);

			Transport.send(msg);
			System.out.println("DONE");
		} catch (MessagingException e) {
			e.printStackTrace();
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		}
	}
}