javaMail实现邮件发送，群发功能

邮件系统很简单哦，只有下面两个类：

MailBean 和 SendMailOnTime

需要jar组件：

activation.jar

mail.jar

log4j.jar

代码如下：

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/*

* Created on 2005-9-7

*

* TODO To change the template for this generated file go to

* Window - Preferences - Java - Code Style - Code Templates

*

* Update on 2008-8-14

*/

package javaMail;

import javax.mail.MessagingException;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeMessage;

import org.apache.log4j.Logger;

/**

* @author panshengti 类功能 : 处理意见反馈邮件发送 调用 jar:activation.jar 、 mail.jar

*/

public class MailBean {

public static Logger log = null ;

static {

log = Logger.getLogger (MailBean. class );

}

// smtpHost 发件人所用到的 smtp 服务器

String smtpHost = "smtp.163.com" ;

// from 发件人邮箱

String from = "d-ear@163.com" ;

// to 收件人邮箱

String to = "mbrasser@d-ear.com" ;

// subject 邮件标题

String subject = "receive a mail from d-ear@163.com" ;

// theMessage 邮件内容

StringBuffer theMessage = new StringBuffer();

/**

* 固定的给 ffshi@d-ear.com ,stpan@d-ear.com 发送邮件

* create date:2008- 8- 15

* author:Administrator

*

* @param smtpHost

* @param from

* @param subject

* @param messageText

* @throws MessagingException

*/

public void sendMessage(String smtpHost, String from,

String subject, String messageText) throws MessagingException {

SmtpAuth sa = new SmtpAuth();

sa.getuserinfo( "d-ear" , "123abc" );

java.util.Properties props = new java.util.Properties();

props.put( "mail.smtp.auth" , "true" );

props.put( "mail.smtp.host" , smtpHost);

System. out .println( "Constructing message- from=" + from + " to=" + to );

InternetAddress fromAddress = new InternetAddress(from);

InternetAddress[] toAddresss = new InternetAddress[2];

toAddresss[0] = new InternetAddress( "ffshi@d-ear.com" );

toAddresss[1] = new InternetAddress( "stpan@d-ear.com" );

int i = 0;

while (i < toAddresss. length ) {

Session mailSession = Session.getDefaultInstance (props, sa);

MimeMessage testMessage = new MimeMessage(mailSession);

testMessage.setFrom(fromAddress);

testMessage.addRecipient(javax.mail.Message.RecipientType. TO ,

toAddresss[i]);

testMessage.setSentDate( new java.util.Date());

testMessage.setSubject(subject);

testMessage.setText(messageText);

Transport.send (testMessage);

System. out .println( "A mail have been sent!" );

i++;

}

}

/*

* 由 163 服务器向目的邮箱发送邮件

* 邮件发送处理 @param stmHost,from,to,subject,messageText

*/

public void sendMessage(String smtpHost, String from, String to,

String subject, String messageText) throws MessagingException {

SmtpAuth sa = new SmtpAuth();

sa.getuserinfo( "d-ear" , "123abc" );

java.util.Properties props = new java.util.Properties();

props.put( "mail.smtp.auth" , "true" );

props.put( "mail.smtp.host" , smtpHost);

System. out .println( "Constructing message- from=" + from + " to=" + to);

InternetAddress fromAddress = new InternetAddress(from);

InternetAddress toAddresss = new InternetAddress(to);

Session mailSession = Session.getDefaultInstance (props, sa);

MimeMessage testMessage = new MimeMessage(mailSession);

testMessage.setFrom(fromAddress);

testMessage.addRecipient(javax.mail.Message.RecipientType. TO ,

toAddresss);

testMessage.setSentDate( new java.util.Date());

testMessage.setSubject(subject);

testMessage.setText(messageText);

Transport.send (testMessage);

System. out .println( "A mail have been sent to " + to);

}

/**

* 功能：群发功能 , 把所有的目的邮箱作为一个数组参数传入

* create date:2008- 8- 15

* author:Administrator

*

* @param smtpHost

* @param from

* @param to 目的邮箱数组

* @param subject

* @param messageText

* @throws MessagingException

*/

public void sendMessage(String smtpHost, String from, String[] to,

String subject, String messageText) throws MessagingException {

SmtpAuth sa = new SmtpAuth();

sa.getuserinfo( "d-ear" , "123abc" );

java.util.Properties props = new java.util.Properties();

props.put( "mail.smtp.auth" , "true" );

props.put( "mail.smtp.host" , smtpHost);

System. out .println( "Constructing message- from=" + from + " to=" + to);

InternetAddress fromAddress = new InternetAddress(from);

InternetAddress[] toAddresss = new InternetAddress[to. length ];

for ( int len=0;len<to. length ;len++){

toAddresss[0] = new InternetAddress(to[len]);

}

int i = 0;

while (i < toAddresss. length ) {

Session mailSession = Session.getDefaultInstance (props, sa);

MimeMessage testMessage = new MimeMessage(mailSession);

testMessage.setFrom(fromAddress);

testMessage.addRecipient(javax.mail.Message.RecipientType. TO ,

toAddresss[i]);

testMessage.setSentDate( new java.util.Date());

testMessage.setSubject(subject);

testMessage.setText(messageText);

Transport.send (testMessage);

System. out .println( "A mail have been sent to " +to[i]);

i++;

}

}

/*

* 邮件用户名和密码认证

*/

static class SmtpAuth extends javax.mail.Authenticator {

private String user , password ;

public void getuserinfo(String getuser, String getpassword) {

user = getuser;

password = getpassword;

}

protected javax.mail.PasswordAuthentication getPasswordAuthentication() {

return new javax.mail.PasswordAuthentication( user , password );

}

}

}

package javaMail;

import javax.mail.MessagingException;

import org.apache.log4j.Logger;

public class SendMailOnTime {

public static Logger log = null ;

static {

log = Logger.getLogger (SendMailOnTime. class );

}

/**

* @param args

*/

public static void sendMail(String str) {

MailBean mail = new MailBean();

try {

mail.sendMessage( "smtp.163.com" , "d-ear@163.com" ,

"rent information" , str);

} catch (MessagingException e) {

System. out .println( "mail send error !" );

log .debug( "mail send error !" + e.getMessage());

e.printStackTrace();

}

System. out .println( "Mail have been sended ." );

}

/**

* 给一个指定邮箱发送指定的邮件内容 create date:2008- 8- 15 author:Administrator

*

* @param str

*/

public static void sendMail(String toMail, String content) {

MailBean mail = new MailBean();

try {

mail.sendMessage( "smtp.163.com" , "d-ear@163.com" , toMail,

"spider information" , content);

} catch (MessagingException e) {

System. out .println( "mail send error !" );

log .debug( "mail send error !" + e.getMessage());

e.printStackTrace();

}

System. out .println( "Mail have been sended ." );

}

/**

* 指定目的邮箱数组进行群发 create date:2008- 8- 15 author:Administrator

*

* @param toMail

* @param content

*/

public static void sendMail(String[] toMail, String content) {

MailBean mail = new MailBean();

try {

mail.sendMessage( "smtp.163.com" , "d-ear@163.com" , toMail,

"spider information" , content);

} catch (MessagingException e) {

System. out .println( "mail send error !" );

log .debug( "mail send error !" + e.getMessage());

e.printStackTrace();

}

System. out .println( "Mail have been sended ." );

}

}