请高手帮忙，JavaMail问题？

Question

import java.io.*;
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
public void sendMail(String mf, String mt, String ms, String mc,
                         String m_server, String m_user, String m_pswd) {
        //mf:发送方;mt:接收方；ms:邮件标题，mc:邮件内容,m_server:MAIL服务器,m_user:用户名,m_pswd,密码;
        try {            Properties props = new Properties();
            props.put("mail.smtp.host", m_server);
            props.put("mail.smtp.auth", "true");
            Session newSession = Session.getInstance(props);            MimeMessage message = new MimeMessage(newSession);            InternetAddress from = new InternetAddress(mf);
            message.setFrom(from);
            InternetAddress sto = new InternetAddress(mt);
            message.setRecipient(Message.RecipientType.TO, sto);
            message.setRecipient(Message.RecipientType.CC, sto);
            message.setRecipient(Message.RecipientType.BCC, sto);
            message.setSubject(ms);
            message.setSentDate(new Date());            BodyPart mdp = new MimeBodyPart();
            mdp.setContent(mc, "text/html;charset=gb2312");
            Multipart mm = new MimeMultipart();
            mm.addBodyPart(mdp);
            message.setContent(mm);
            Transport transport = newSession.getTransport("smtp");
            transport.connect(m_server, m_user, m_pswd);
            transport.sendMessage(message, message.getAllRecipients());
            transport.close();
        } catch (MessagingException e) {
            System.out.println(e.toString());
        }
    }    public static void main(String[] args) {
        SimpleMail mail = new SimpleMail();
//        mail.sendMail("[email protected]", "[email protected]", "标题", "内容",
//                      "smtp.163.com", "aa_zz_234", "123456");
        mail.receive("pop3.163.com","aa_zz_234","123456");
    }
}这个可以发邮件

Answer 1

把 message.setRecipient(Message.RecipientType.CC, sto);
message.setRecipient(Message.RecipientType.BCC, sto);
去掉