This document discusses using the JavaMail API to send emails from a Java application. It begins with an introduction to JavaMail and its common use cases. It then covers the protocols, architecture, core classes of JavaMail like Session and MimeMessage. The main steps to send an email are outlined as getting the session object, composing the message, and sending the message. Code examples are provided for each step. Recommended websites for further reading on JavaMail are also included.

1. JAVA SENDING MAIL
NHÓM THỰC HIỆN:
1. HỒ THỊ THANH THẢO
2. QUANG TUẤN ĐẠT
3. NGUYỄN THÀNH LUÂN
4. NGUYỄN VĂN NGÂN
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GVHD: Lê Thanh Trọng

2. AGENDA
 Introduction
 Protocols
 JavaMail Architecture
 JavaMail API Core Classes
 Sending E-mail Steps
 Demo
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3. INTRODUCTION – WHAT IS IT?
 The JavaMail is an API that is used to
compose, write and read electronic
messages (emails).
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4. INTRODUCTION – WHEN TO USE IT?
 The JavaMail facility can be applied to
many events.
 registering the user (sending confirmation
email)
 forgot password (sending password to the
users email id)
 sending notifications for important
updates etc.
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5. PROTOCOLS USED IN JAVAMAIL API
 SMTP - deliver email
 POP – get mail
 IMAP – get mail
 MIME - format of the messages
 NNTP and others
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6. JAVAMAIL ARCHITECTURE
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7. JAVAMAIL API CORE CLASSES
 javax.mail.Session
 javax.mail.Authenticator
 javax.mail.internet.MimeMessage
 javax.mail.Transport
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8. SENDING EMAIL - STEPS
1. Get the session object
2. Compose the message
3. Send the message
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9. SENDING EMAIL – 1. GET SESSION OBJECT
String to = “xxxxx@gmail.com"; // change accordingly
String from = “yyyyyyy@gmail.com"; // change accordingly
String host = "localhost"; // or IP address
//Get the session object
Properties properties = System.getProperties();
properties.setProperty("mail.smtp.host", host);
Session session = Session.getDefaultInstance (properties);
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10. SENDING EMAIL – 2. COMPOSE THE MESSAGE
// Compose the message
MimeMessage message = new MimeMessage(session);
message.setFrom(new InternetAddress(from));
message.addRecipient(Message.RecipientType.TO,new Internet
Address(to));
message.setSubject("Ping");
message.setText("Hello, this is example of sending email ");
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11. SENDING EMAIL – 3. SEND MESSAGE
// Send message
Transport.send(message);
System.out.println("message sent successfully....");
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12. RECOMMENDED WEBSITES
 http://www.tutorialspoint.com/javamail_api/ - đọc hiểu
 http://www.javatpoint.com/java-mail-api-tutorial - đọc code
 https://javamail.java.net/nonav/docs/api/ - đọc thêm
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