package jmail;
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 HtmlJavaSend {
public void sendHtmlEmail(String host, String port,
final String userName, final String password, String toAddress,
String subject, String message) throws AddressException,
MessagingException {
// sets SMTP server properties
Properties properties = new Properties();
properties.put("mail.man.com", host);
properties.put("mail.25", port);
properties.put("mail.smtp.auth", "true");
properties.put("mail.smtp.starttls.enable", "true");
properties.put("mail.smtp.ssl.trust","mail.man.com");
// 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());
// set plain text message
msg.setContent(message, "text/html");
// sends the e-mail
Transport.send(msg);
}
public static void main(String[] args) {
// SMTP server information
String host = "mail.man.com";
String port = "25";
String mailFrom = "admin@man.com";
String password = "Man";
// outgoing message information
String mailTo = "ji@man.com";
String subject = "Hello my friend";
// message contains HTML markups
String message = "<i>Greetings!</i><br>";
message += "<b>Wish you a nice day!</b><br>";
message += "<font color=red>Duke</font>";
HtmlJavaSend mailer = new HtmlJavaSend();
try {
mailer.sendHtmlEmail(host, port, mailFrom, password, mailTo,
subject, message);
System.out.println("Email sent.");
} catch (Exception ex) {
System.out.println("Failed to sent email.");
ex.printStackTrace();
}
} }
错误内容为:
eror run: 发送邮件失败。com.sun.mail.util.MailConnectException: 无法连接到主机，端口：localhost，25；超时-1；嵌套异常是：java.net.ConnectException: 连接被拒绝: connect在com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:2100)中， 在com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:699)中， 在javax.mail.Service.connect(Service.java:388)中连接，在javax.mail.Service.connect(Service.java:246)中连接，在javax.mail.Service.connect(Service.java:195)中连接，在javax.mail.Transport.send0(Transport.java:254)中发送，在javax.mail.Transport.send(Transport.java:124)中发送，在jmail.HtmlJavaSend.sendHtmlEmail(HtmlJavaSend.java:62)中发送，在jmail.HtmlJavaSend.main(HtmlJavaSend.java:85)中发送。造成此问题的原因是：java.net.ConnectException: 连接被拒绝: connect 在java.net.DualStackPlainSocketImpl.connect0(Native Method)中， 在java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)中， 在java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)中， 在java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)中， 在java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)中， 在java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)中， 在java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)中， 在java.net.Socket.connect(Socket.java:579)中， 在java.net.Socket.connect(Socket.java:528)中， 在com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:331)中创建套接字，在com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:238)中获取套接字，在com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:2066)中打开服务器... 共花费时间1秒。