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首先Java发送邮件需要用到JavaMail，先到Oracle官网上下载好最新版本的JavaMail（刚才看了一下，最新是1.5.3），把下载的这个jar文件放到classpath里（如果是Web项目，就放到WEB-INF/lib目录下。
JavaMail主要支持发送纯文本的和html格式的邮件。
发送html格式的邮件的一个例程如下：
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeUtility;
import javax.mail.Session;
import javax.mail.MessagingException;
import javax.mail.Transport;
public class SendHtmlMail {
public static void sendMessage(String smtpHost,
String from, String to,
String subject, String messageText)
throws MessagingException,java.io.UnsupportedEncodingException {
// Step 1: Configure the mail session
System.out.println("Configuring mail session for: " + smtpHost);
java.util.Properties props = new java.util.Properties();
props.setProperty("mail.smtp.auth", "true");//指定是否需要SMTP验证
props.setProperty("mail.smtp.host", smtpHost);//指定SMTP服务器
props.put("mail.transport.protocol", "smtp");
Session mailSession = Session.getDefaultInstance(props);
mailSession.setDebug(true);//是否在控制台显示debug信息
// Step 2: Construct the message
System.out.println("Constructing message - from=" + from + " to=" + to);
InternetAddress fromAddress = new InternetAddress(from);
InternetAddress toAddress = new InternetAddress(to);
MimeMessage testMessage = new MimeMessage(mailSession);
testMessage.setFrom(fromAddress);
testMessage.addRecipient(javax.mail.Message.RecipientType.TO, toAddress);
testMessage.setSentDate(new java.util.Date());
testMessage.setSubject(MimeUtility.encodeText(subject,"gb2312","B"));
testMessage.setContent(messageText, "text/html;charset=gb2312");
System.out.println("Message constructed");
// Step 3: Now send the message
Transport transport = mailSession.getTransport("smtp");
transport.connect(smtpHost, "webmaster", "password");
transport.sendMessage(testMessage, testMessage.getAllRecipients());
transport.close();
System.out.println("Message sent!");
}
public static void main(String[] args) {
String smtpHost = "localhost";
String from = "webmaster@mymail.com";
String to = "mfc42d@sohu.com";
String subject = "html邮件测试"; //subject javamail自动转码
StringBuffer theMessage = new StringBuffer();
theMessage.append("<h2><font color=red>这倒霉孩子</font></h2>");
theMessage.append("<hr>");
theMessage.append("<i>年年失望年年望</i>");
try {
SendHtmlMail.sendMessage(smtpHost, from, to, subject, theMessage.toString());
}
catch (javax.mail.MessagingException exc) {
exc.printStackTrace();
}
catch (java.io.UnsupportedEncodingException exc) {
exc.printStackTrace();
}
}
}
JavaMail是封装了很多邮件操作的，所以使用起来不很困难，建议你到JavaMail官网看一下API或下载Java Doc API文档。
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你可以试试seam的邮件发送，十分简单，而且支持html格式的邮件
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刚刚写的一个发mail的程序：
import java.util.ArrayList;
import java.util.Collection;
import org.apache.commons.mail.EmailException;
import org.apache.commons.mail.HtmlEmail;
public class MailTest {
public static void sendHtmlEmail() {
String subject = "Test Mail";
Collection<String> sendTo = new ArrayList<String>();
sendTo.add("abc@gmail.com");
String htmlMessage = "<html><body><font size='15' color='red'>This is a test mail.</font></body></html>";
// Create email message
HtmlEmail email = new HtmlEmail();
email.setHostName("smtp.gmail.com");
email.setSSL(true);
email.setSslSmtpPort("465");
email.setSubject(subject);
email.setCharset("GB2312");
email.setAuthentication("abc", "1111");
try {
email.setFrom("def@gmail.com");
for(String aTo : sendTo){
email.addTo(aTo);
}
email.setHtmlMsg(htmlMessage);
// send email
email.send();
} catch (EmailException ee) {
ee.printStackTrace();
}
}
public static void main(String args[]){
sendHtmlEmail();
}
}
import java.util.ArrayList;
import java.util.Collection;
import org.apache.commons.mail.EmailException;
import org.apache.commons.mail.HtmlEmail;
public class MailTest {
public static void sendHtmlEmail() {
String subject = "Test Mail";
Collection<String> sendTo = new ArrayList<String>();
sendTo.add("abc@gmail.com");
String htmlMessage = "<html><body><font size='15' color='red'>This is a test mail.</font></body></html>";
// Create email message
HtmlEmail email = new HtmlEmail();
email.setHostName("smtp.gmail.com");
email.setSSL(true);
email.setSslSmtpPort("465");
email.setSubject(subject);
email.setCharset("GB2312");
email.setAuthentication("abc", "1111");
try {
email.setFrom("def@gmail.com");
for(String aTo : sendTo){
email.addTo(aTo);
}
email.setHtmlMsg(htmlMessage);
// send email
email.send();
} catch (EmailException ee) {
ee.printStackTrace();
}
}
public static void main(String args[]){
sendHtmlEmail();
}
}
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javamail不就可以吗？
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