javamail 发邮件
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package com.yourcompany.mail;
import java.security.Security;
import java.util.Date;
import java.util.Properties;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
public class gmaiSend ...{
public static void main(String[] args) throws AddressException, MessagingException ...{
Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";
// Get a Properties object
Properties props = System.getProperties();
props.setProperty("mail.smtp.host", "smtp.sohu.com"); //搜狐smtp服务器
props.put("mail.smtp.auth", "true"); //设置需要验证
final String username = "xxxxx"; //邮箱用户名
final String password = "xxxx"; //邮箱密码
Session session = Session.getDefaultInstance(props, new Authenticator()...{
protected PasswordAuthentication getPasswordAuthentication() ...{
return new PasswordAuthentication(username, password);
}});
session.setDebug(true);
// -- Create a new message --
Message msg = new MimeMessage(session);
// -- Set the FROM and TO fields --
msg.setFrom(new InternetAddress(username + "@sohu.com")); //发件人邮箱地址
msg.setRecipients(Message.RecipientType.TO,
InternetAddress.parse("xxx@xxxxl.com",false)); //收件人邮箱地址
msg.setSubject("Hello");
msg.setText("How are you");
msg.setSentDate(new Date());
Transport.send(msg);
System.out.println("Message sent.");
}
}
package com.yourcompany.mail;
import java.security.Security;
import java.util.Date;
import java.util.Properties;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
public class example ...{
public static void main(String[] args) throws AddressException,
MessagingException ...{
Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";
// Get a Properties object
Properties props = System.getProperties();
props.setProperty("mail.smtp.host", "smtp.sohu.com"); //搜狐邮箱服务器
props.put("mail.smtp.auth", "true"); //设置需要验证
final String username = "xxxxx"; //用户名
final String password = "xxxxx"; //密码
Session newSession = Session.getInstance(props);
MimeMessage message = new MimeMessage(newSession);
InternetAddress from = new InternetAddress("xxx@sohu.com"); // 发件人邮箱
message.setFrom(from);
InternetAddress sto = new InternetAddress("xxxx@xxx.com"); // 收件人邮箱
message.setRecipient(Message.RecipientType.TO, sto);
message.setRecipient(Message.RecipientType.CC, sto);
message.setRecipient(Message.RecipientType.BCC, sto);
message.setSubject("hello");
message.setSentDate(new Date());
BodyPart mdp = new MimeBodyPart();
mdp.setContent("how are you", "text/html;charset=gb2312");
Multipart mm = new MimeMultipart();
mm.addBodyPart(mdp);
message.setContent(mm);
Transport transport = newSession.getTransport("smtp");
transport.connect("smtp.sohu.com", username, password);
transport.sendMessage(message, message.getAllRecipients());
transport.close();
System.out.println("Message sent.");
}
}
昨天公司说要自己要做一个整合的消息平台，其中就要求把邮件的功能整合进来，幸好网上的资料比较多能拿来参考，但是也有很多值得特殊说明的地方，比如说代理、SSL验证、IMAP协议等。
下面我们先从发送邮件开始说起吧，如果邮件服务器需要身份验证，我们可以采用两种方式进行发送。
方式一：
package com.yourcompany.mail;import java.security.Security;import java.util.Date;import java.util.Properties;import javax.mail.Authenticator;import javax.mail.Message;import javax.mail.MessagingException;import javax.mail.PasswordAuthentication;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.AddressException;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeMessage;public class gmaiSend ...{ public static void main(String[] args) throws AddressException, MessagingException ...{ Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider()); final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory"; // Get a Properties object Properties props = System.getProperties(); props.setProperty("mail.smtp.host", "smtp.sohu.com"); //搜狐smtp服务器 props.put("mail.smtp.auth", "true"); //设置需要验证 final String username = "xxxxx"; //邮箱用户名 final String password = "xxxx"; //邮箱密码 Session session = Session.getDefaultInstance(props, new Authenticator()...{ protected PasswordAuthentication getPasswordAuthentication() ...{ return new PasswordAuthentication(username, password); }}); session.setDebug(true); // -- Create a new message -- Message msg = new MimeMessage(session); // -- Set the FROM and TO fields -- msg.setFrom(new InternetAddress(username + "@sohu.com")); //发件人邮箱地址 msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse("xxx@xxxxl.com",false)); //收件人邮箱地址 msg.setSubject("Hello"); msg.setText("How are you"); msg.setSentDate(new Date()); Transport.send(msg); System.out.println("Message sent."); }}
方式二：
package com.yourcompany.mail;import java.security.Security;import java.util.Date;import java.util.Properties;import javax.mail.BodyPart;import javax.mail.Message;import javax.mail.MessagingException;import javax.mail.Multipart;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.AddressException;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeBodyPart;import javax.mail.internet.MimeMessage;import javax.mail.internet.MimeMultipart;public class example ...{ public static void main(String[] args) throws AddressException, MessagingException ...{ Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider()); final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory"; // Get a Properties object Properties props = System.getProperties(); props.setProperty("mail.smtp.host", "smtp.sohu.com"); //搜狐邮箱服务器 props.put("mail.smtp.auth", "true"); //设置需要验证 final String username = "xxxxx"; //用户名 final String password = "xxxxx"; //密码 Session newSession = Session.getInstance(props); MimeMessage message = new MimeMessage(newSession); InternetAddress from = new InternetAddress("xxx@sohu.com"); // 发件人邮箱 message.setFrom(from); InternetAddress sto = new InternetAddress("xxxx@xxx.com"); // 收件人邮箱 message.setRecipient(Message.RecipientType.TO, sto); message.setRecipient(Message.RecipientType.CC, sto); message.setRecipient(Message.RecipientType.BCC, sto); message.setSubject("hello"); message.setSentDate(new Date()); BodyPart mdp = new MimeBodyPart(); mdp.setContent("how are you", "text/html;charset=gb2312"); Multipart mm = new MimeMultipart(); mm.addBodyPart(mdp); message.setContent(mm); Transport transport = newSession.getTransport("smtp"); transport.connect("smtp.sohu.com", username, password); transport.sendMessage(message, message.getAllRecipients()); transport.close(); System.out.println("Message sent."); }}
方式一和二风格上不是很统一，都是临时该的，由于想把代理等内容说的更清楚些，有些内容是拿出来单独讲，后面完成所有内容时，附上测试过的代码，所以如果上面代码测试不通过，请您别骂我：）推荐采用方式二，因为方式二可以发送发个邮件，可以应用在群发的目的上，
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