用Java发送邮件(公司开发用的)

需要Jar包：mail-1.4.1.jar

public class EmailSender {

private static final String charset = "gbk";

private static final String defaultMimetype = "text/plain";

  /**

* 发送邮件

* 

* @param receivers

*            收件人

* @param subject

*            标题

* @param mailContent

*            邮件内容

* @param attachements

*            附件

* @param mimetype

*            内容类型 默认为text/plain,如果要发送HTML内容,应设置为text/html

* @param email

*            发送者邮箱

* @throws MessagingException 

* @throws UnsupportedEncodingException 

*/

public static void sendEmailMessage(String[] receivers, String subject,

String mailContent, File[] attachements, String mimetype, YiluEmail email) throws Exception {

final String url = email.getEmailUrl();   //***@163.com

final String password = email.getPassword(); //***

Properties props = new Properties();

props.put("mail.smtp.host", email.getSmtphost());// Smtp服务器地址:  smtp.163.com

props.put("mail.smtp.auth", "true");// 需要校验

Session session = Session.getInstance(props, new Authenticator() {

protected PasswordAuthentication getPasswordAuthentication() {

return new PasswordAuthentication(url, password);// 登录用户名

}

});

// 测试

session.setDebug(false);

MimeMessage mimeMessage = new MimeMessage(session);

mimeMessage.setFrom(new InternetAddress(email.getEmailUrl(), MimeUtility.encodeText(

ConfigUtil.getSystemMailSignname(), "GB2312", "B")));

// ConfigUtil.getSystemMailSignname() ：\u4E00\u8DEF\u8D22\u5BCC

InternetAddress[] toAddress = new InternetAddress[receivers.length];

for (int i = 0; i < receivers.length; i++) {

toAddress[i] = new InternetAddress(receivers[i]);

}

mimeMessage.setRecipients(Message.RecipientType.TO, toAddress);// 收件人邮件

mimeMessage.setSubject(subject, charset);

Multipart multipart = new MimeMultipart();

// 正文

MimeBodyPart body = new MimeBodyPart();

body.setContent(mailContent,

(mimetype != null && !"".equals(mimetype) ? mimetype

: defaultMimetype) + ";charset=" + charset);

multipart.addBodyPart(body);// 发件内容

// 附件

if (attachements != null) {

for (File attachement : attachements) {

MimeBodyPart attache = new MimeBodyPart();

// ByteArrayDataSource bads = new

// ByteArrayDataSource(byte[],"application/x-any");

attache.setDataHandler(new DataHandler(new FileDataSource(

attachement)));

String fileName = getLastName(attachement.getName());

attache.setFileName(MimeUtility.encodeText(fileName,

charset, null));

multipart.addBodyPart(attache);

}

}

mimeMessage.setContent(multipart);

mimeMessage.setSentDate(new Date());

Transport.send(mimeMessage);

}

private static String getLastName(String fileName) {

int pos = fileName.lastIndexOf("\\");

if (pos > -1) {

fileName = fileName.substring(pos + 1);

}

pos = fileName.lastIndexOf("/");

if (pos > -1) {

fileName = fileName.substring(pos + 1);

}

return fileName;

}

}