我正在尝试创建一个antiviruse备份系统,我希望程序在用户创建帐户之后向用户发送电子邮件,其中包含警告和备份系统的副本。有没有关于用java发送电子邮件的好教程?
答案 0 :(得分:1)
如果你想从批量发送它,有很多方法可以做到。
这是Windows的一种方式:
这是linux的一种方式:
http://www.simplehelp.net/2008/12/01/how-to-send-email-from-the-linux-command-line/
答案 1 :(得分:0)
这是示例: 使用java-mail-1.4.4.jar
package net.spring.mail;
import java.io.IOException;
import java.util.Date;
import java.util.Properties;
import javax.mail.Authenticator;
import javax.mail.Message; `enter code here`
import javax.mail.MessagingException;
import javax.mail.Multipart;
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.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
/**
* javaMail发送邮件
* 支持多邮件发送
* @author fazhen.zheng
*
*/
public class EmailAttachmentSender {
public static void sendEmailWithAttachments(String host, String port,
final String userName, final String password, String toAddress,
String subject, String message, String[] attachFiles)
throws AddressException, MessagingException {
// sets SMTP server properties
Properties properties = new Properties();
properties.put("mail.smtp.host", host);
properties.put("mail.smtp.port", port);
properties.put("mail.smtp.auth", "true");
properties.put("mail.smtp.starttls.enable", "true");
properties.put("mail.user", userName);
properties.put("mail.password", password);
// creates a new session with an authenticator
Authenticator auth = new Authenticator() {
public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(userName, password);
}
};
Session session = Session.getInstance(properties, auth);
// creates a new e-mail message
Message msg = new MimeMessage(session);
msg.setFrom(new InternetAddress(userName));
InternetAddress[] toAddresses = { new InternetAddress(toAddress) };
msg.setRecipients(Message.RecipientType.TO, toAddresses);
msg.setSubject(subject);
msg.setSentDate(new Date());
// creates message part
MimeBodyPart messageBodyPart = new MimeBodyPart();
messageBodyPart.setContent(message, "text/html");
// creates multi-part
Multipart multipart = new MimeMultipart();
multipart.addBodyPart(messageBodyPart);
// adds attachments
if (attachFiles != null && attachFiles.length > 0) {
for (String filePath : attachFiles) {
MimeBodyPart attachPart = new MimeBodyPart();
try {
attachPart.attachFile(filePath);
} catch (IOException ex) {
ex.printStackTrace();
}
multipart.addBodyPart(attachPart);
}
}
// sets the multi-part as e-mail's content
msg.setContent(multipart);
// sends the e-mail
Transport.send(msg);
}
/**
* 测试发带附件邮件
*/
public static void main(String[] args) {
// 发件人信息
String host = "smtp.163.com";
String port = "25";
String mailFrom = "example@163.com";
String password = "passwrod";
// 收件人信息
String mailTo = "example@ehualu.com";
String subject = "javaMail";
String message = "这是一封由javaMail自动发出的测试邮件,请勿回复。";
// 附件
String[] attachFiles = new String[1];
attachFiles[0] = "c:/EHL_SysManager.jar";
try {
sendEmailWithAttachments(host, port, mailFrom, password, mailTo,
subject, message, attachFiles);
System.out.println("邮件发送成功.");
} catch (Exception ex) {
System.out.println("发送失败");
ex.printStackTrace();
}
}
}