JavaMail API—使用Java从本地SMTP发送电子邮件

c:> set classpath=mail.jar;.;

# export JAVA_HOME=/opt/jdk1.8.0_05/
# export PATH=$PATH:$JAVA_HOME/bin
# export CLASSPATH=$JAVA_HOME/jre/lib/ext:$JAVA_HOME/lib/tools.jar:mail.jar:.

import java.util.Properties;
import javax.mail.Message;
import javax.mail.MessagingException;
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 SendMailJavaAPI {
 
        public static void main(String[] args) throws Exception{
 
        String to="recipient@example.com";
        String from="sender@example.com";
 
        Properties props = new Properties();
        Session session = Session.getDefaultInstance(props, null);
 
        String msgBody = "Sending email using JavaMail API...";
 
        try {
            Message msg = new MimeMessage(session);
            msg.setFrom(new InternetAddress(from, "NoReply"));
            msg.addRecipient(Message.RecipientType.TO,
                             new InternetAddress(to, "Mr. Recipient"));
            msg.setSubject("Welcome To Java Mail API");
            msg.setText(msgBody);
            Transport.send(msg);
            System.out.println("Email sent successfully...");
 
        } catch (AddressException e) {
            throw new RuntimeException(e);
        } catch (MessagingException e) {
            throw new RuntimeException(e);
        }
    }
}

# javac SendMailJavaAPI.java
# java SendMailJavaAPI