Email atau elektronic mail merupakan aplikasi yang paling banyak digunakan pada internet hingga sekarang. Protocol yang digunakan pada email adalah SMTP untuk pengiriman dan POP3 untuk penerimaan.
Email dalam pengiriman maupun penerimaan menggunakan protocol TCP/IP. Sedangkan port yang digunakan adalah port 25 untuk pengiriman dan port 110 untuk penerimaan.
JavaMail API adalah standar komponen sejak java 1.1 tetapi membutuhkan komponen dari java, yaitu mail.jar, imap.jar, mailapi.jar, pop3.jar, dan smtp.jar yang dapat didownload pada http://java.sun.com/products/javamail/ .
JavaMail ini dapat diimplementasikan secara pemrograman murni java menggunakan socket dan stream.
Program Kirim Email
import javax.mail.*;
import javax.mail.internet.*;
import java.util.*;
public class SendEmail {
public static void main(String[] args) {
try {
String NamaHost = “202.155.73.xx”;
String Kepada = “xxx@ism.com”;
String Dari = “uchiha_didik@yahoo.com”;
Properties props = System.getProperties();
props.put(“mail.smtp.host”, NamaHost);
Session session = Session.getInstance(props, null);
Message msg = new MimeMessage(session);
msg.setFrom(new InternetAddress(Dari));
InternetAddress[] address = {new InternetAddress(Kepada)};
msg.setRecipients(Message.RecipientType.TO, address);
msg.setSubject(“Testing”);
msg.setContent(“In program ngetest”, “text/plain”);
Transport.send(msg);
} catch (Exception e) {
e.printStackTrace();
}
}
}
Program Baca Email
import javax.mail.*;
import javax.mail.internet.*;
import java.util.*;
public class POP3Client {
public static void main(String[] args) {
Properties props = System.getProperties();
String host = “202.155.73.xx”;
String username = “username”;
String password = “xxxxxx”; //mau tau aja passnya
String provider = “pop3″;
try {
//Koneksi POP3 mail server
Session session = Session.getDefaultInstance(props, null);
Store store = session.getStore(provider);
store.connect(host,username,password);
//buka folder
Folder inbox = store.getFolder(“INBOX”);
if (inbox == null) {
System.out.println(“No Inbox”);
System.exit(1);
}
inbox.open(Folder.READ_ONLY);
//Tampilkan Pesan Surat
Message[] messages = inbox.getMessages();
for (int i = 0; i <>
System.out.println(“—- Message ” + (i + 1) + ” —-”);
messages[i].writeTo(System.out);
}
//jangan lupa tutup koneksi
inbox.close(false);
store.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
Apabila program POP3Client dijalankan maka akan tampil
C:\j2sdk1.4.2_05\bin\java.exe -classpath “C:\j2sdk1.4.2_05\jre\lib\rt.jar;C:\j2sdk1.4.2_05\lib\tools.jar;C:\j2sdk1.4.2_05\javamail-1.3.2\mail.jar;C:\j2sdk1.4.2_05\javamail-1.3.2\lib\imap.jar;C:\j2sdk1.4.2_05\javamail-1.3.2\lib\mailapi.jar;C:\j2sdk1.4.2_05\javamail-1.3.2\lib\pop3.jar;C:\j2sdk1.4.2_05\javamail-1.3.2\lib\smtp.jar;C:\JBuilderX\lib\activation.jar;C:\data\belajar\bp4\test” POP3Client
—- Message 1 —-
Return-Path:
Delivered-To: xxx@ism.com
Received: (qmail 11857 invoked by uid 505); 21 Feb 2005 02:39:03 -0000
Received: from uchiha_didik@yahoo.com by mail.xxx.co.id by uid 502 with qmail-scanner-1.16
(clamscan: 0.54. Clear:.
Processed in 0.458176 secs); 21 Feb 2005 02:39:03 -0000
Received: from unknown (HELO notebookwdg) (192.168.12.57)
by mail.antara.co.id with SMTP; 21 Feb 2005 02:39:02 -0000
Message-ID: <27994366.1108961448718.javamail.administrator@notebookwdg>
From: uchiha_didik@yahoo.com
To: xxx@ism.com
Subject: TEsting
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
this is test only.,alias test doanks…..
Wah susah banget bgelejar java. Tapi thanks tutornya
By: Catur on June 12, 2008
at 1:50 am
ga susah kok asal niat dan usaha yang keras
By: didiksoft on July 19, 2008
at 4:30 am
lah malah dapet blog lu ini dik…
mending gw nanya lagsung kerumah ini mah…
By: abal2 on July 15, 2009
at 10:03 am