别人给了段用javamail实现邮件发送功能的源码，没有报什么错，可是邮件发送不出去，恳请高人指点，感激不尽

<jsp:directive.page contentType="text/html;charset=GBK" pageEncoding="UTF-8"/>
<%@ page import="java.util.*"%>
<%@ page import ="javax.mail.*"%>
<%@ page import ="javax.mail.internet.*"%>
<%@ page import ="javax.activation.*"%>
<%@ page import ="cn.com.gei.bjbp08.work.CheckSendEmail"%>
<%
boolean result=false;
String toemails="[email protected]";
String content="你好";
String subject="你好";
      try {
        //创建属性对象
        Properties props = new Properties();
        //设置邮件传输协议为：smtp
        props.put("mail.transpost.protocol","smtp");
        //设置邮件服务器地址
        props.put("mail.smtp.host", "smtp.163.com");
        //设置邮件验证为真
        props.put("mail.smtp.auth", "true");
        //设置邮件服务器端口
        props.put("mail.smtp.port","25");        //调用验证类进行验证
        CheckSendEmail auth=new CheckSendEmail("[email protected]","******");        //创建session对象
        Session sendMailSession;
        sendMailSession = Session.getInstance(props, auth);
        //设置输出调试信息
        sendMailSession.setDebug(true);        //创建信息对象
        Message newMessage = new MimeMessage(sendMailSession);        //输入发送信息
        //设置发信人地址
        newMessage.setFrom(new InternetAddress("[email protected]"));        //设置收信人地址，可以支持多用户发送
        newMessage.setRecipients(Message.RecipientType.TO,
                                InternetAddress.parse(toemails));
        //设置信件文本格式（当设置了附件，这里就不能有）
        newMessage.setContent("SendMail", "text/html; charset=gb2312");        //设置信件主题
        newMessage.setSubject(subject);        //设置信件发送日期
        newMessage.setSentDate(new Date());        //设置信件正文（当设置了附件，这里就不能有）
        newMessage.setText(content);
        //创建对象
        Transport transport;
        transport = sendMailSession.getTransport("smtp");        //发送
        result=true;
        transport.send(newMessage);//此处总是抛出异常，让人很是郁闷，但是邮件却发送成功！
out.println("成功");
      }
      catch (MessagingException ex) {
      out.println("失败");
          ex.printStackTrace();
      }%>

解决方案 »

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import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;public class CheckSendEmail extends Authenticator {
private String m_username = null; private String m_userpass = null; public void setUsername(String username) {
m_username = username;
} public void setUserpass(String userpass) {
m_userpass = userpass;
} public CheckSendEmail(String username, String userpass) {
super();
setUsername(username);
setUserpass(userpass);
} public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(m_username, m_userpass);
}
}
你换邮箱了?
很多免费邮箱新注册的用户不支持pop3协议,所以很多发送失败
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>发送成功</title>
</head>
<body bgcolor="#CFF1E1"> <%
String host = (String) session.getAttribute("host");
String user = (String) session.getAttribute("user");
String password = (String) session.getAttribute("password");%>

<% try {
String tto = request.getParameter("to");
String ttitle = request.getParameter("title");
String emailtype = request.getParameter("emailtype");//获取email类型
String tcontent = request.getParameter("content");
String tfj1 = request.getParameter("fj1");
String tfj2 = request.getParameter("fj2"); Properties props = new Properties();
props.put("mail.smtp.host", "smtp."+host);
props.put("mail.smtp.auth", "true");
Session s = Session.getInstance(props);
s.setDebug(true); MimeMessage message = new MimeMessage(s); //给消息对象设置发件人/收件人/主题/发信时间
InternetAddress from = new InternetAddress(
user+"@"+host);
message.setFrom(from);
InternetAddress to = new InternetAddress(tto);
message.setRecipient(Message.RecipientType.TO, to);
message.setSubject(ttitle);
message.setSentDate(new Date()); Multipart mm = new MimeMultipart();//新建一个MimeMultipart对象用来存放多个BodyPart对象 //设置信件文本内容
BodyPart mdp = new MimeBodyPart();//新建一个存放信件内容的BodyPart对象
mdp.setContent(tcontent, emailtype + ";charset=gb2312");//给BodyPart对象设置内容和格式/编码方式
mm.addBodyPart(mdp);//将含有信件内容的BodyPart加入到MimeMultipart对象中 //设置信件的附件1(自定义附件:直接将所设文本内容加到自定义文件中作为附件发送)
DataHandler dh = new DataHandler(tfj1,
"text/plain;charset=gb2312");
//新建一个DataHandler对象,并设置其内容和格式/编码方式
if (tfj1.length() > 0) {
mdp = new MimeBodyPart();//新建一个存放附件的BodyPart mdp.setFileName("text.txt");//加上这句将作为附件发送,否则将作为信件的文本内容
mdp.setDataHandler(dh);//给BodyPart对象设置内容为dh
mm.addBodyPart(mdp);//将含有附件的BodyPart加入到MimeMultipart对象中
}
//设置信件的附件2(用本地上的文件作为附件)
if (tfj2.length() > 0) {
mdp = new MimeBodyPart();
FileDataSource fds = new FileDataSource(tfj2);
dh = new DataHandler(fds);
int ddd = tfj2.lastIndexOf("\\");
String fname = tfj2.substring(ddd + 1);//提取文件名
//String ffname = new String(fname.getBytes("gb2312"),
//"ISO8859-1");//处理文件名是中文的情况]
String ffname = javax.mail.internet.MimeUtility.encodeText(fname);
mdp.setFileName(ffname);//可以和原文件名不一致,但最好一样
mdp.setDataHandler(dh);
mm.addBodyPart(mdp);
}
message.setContent(mm);//把mm作为消息对象的内容
message.saveChanges();
Transport transport = s.getTransport("smtp");
transport.connect("smtp."+host, user, password);
transport.sendMessage(message, message.getAllRecipients());
transport.close();
%>

<div align="center">
<p>
<font color="#FF6600">发送成功!</font>
</p>
<p>
<a href="receivemail.jsp">去看看我的信箱</a>
<br>
<br>
<a href="sendmail.html">再发一封</a>
</p>
</div>
<%
} catch (MessagingException e) {
out.println(e.toString());
}
%>
</body>
</html>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>撰写邮件</title>
</head>
<body bgcolor="#CFF1E1">
<form action="sendmail.jsp" method="post" name="form1">
<table width="80" border="0" align="center" cellspacing="1"
bgcolor="#006600" class="black">
<tr bgcolor="#CFF1E1">
<td width="25%">
收信人地址:
</td>
<td width="76%">
<input name="to" type="text" id="to" size=50>
</td>
</tr>
<tr bgcolor="#CFF1E1">
<td>
主题:
</td>
<td>
<input name="title" type="text" id="title" size=50>
</td>
</tr>
<tr>
<td height="18" colspan="2" bgcolor="#CFF1E1">
信件类型 
<select name="emailtype" id="emailtype">
<option value="text/plain" selected>
Text
</option>
<option value="text/html">
Html
</option>
</select>
</td>
</tr>
<tr>
<td height="53" colspan="2" bgcolor="#CFF1E1">
<textarea name="content" cols="70" rows="20" id="content"></textarea>
</td>
</tr>
<tr align="left">
<td colspan="2" bgcolor="#CFF1E1">
附件1(自定义):
<input name="fj1" type="text" id="fj1" size="30">
(输入文本信息)
</td>
</tr>
<tr align="left" valign="bottom">
<td colspan="2" bgcolor="#CFF1E1">
附件2(本地): 
<input name="fj2" type="file" id="fj2" size="30">
</td>
</tr>

<tr align="center">
<td colspan="2" bgcolor="#CFF1E1">
<input type="submit" name="Submit" value="发送">
<input type="reset" name="Submit2" value="重置">
</td>
</tr>
</table>
</form>
<center>
<a href="receivemail.jsp"><font color="ffac00">我的收件箱</font></a>
</center>
</body>
</html>
我用  胡须棉花糖   给的代码试了一下，总是报 java.lang.IllegalStateException: Not connected，这是为什么呀
看看是不是这个原因http://blog.csdn.net/flysky_lfx/archive/2007/06/29/1671997.aspx
notingDEBUG: setDebug: JavaMail version 1.3.1
DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc]
DEBUG SMTP: useEhlo true, useAuth true
DEBUG SMTP: trying to connect to host "smtp.sina.com", port 25220 mail5-201.sinamail.sina.com.cn ESMTP
DEBUG SMTP: connected to host "smtp.sina.com", port: 25EHLO HAOBO_TOA
250-mail5-201.sinamail.sina.com.cn
250-8BITMIME
250-SIZE 52428800
250-AUTH PLAIN LOGIN
250 AUTH=PLAIN LOGIN
DEBUG SMTP: Found extension "8BITMIME", arg ""
DEBUG SMTP: Found extension "SIZE", arg "52428800"
DEBUG SMTP: Found extension "AUTH", arg "PLAIN LOGIN"
DEBUG SMTP: Found extension "AUTH=PLAIN", arg "LOGIN"
DEBUG SMTP: Attempt to authenticate
AUTH LOGIN
334 VXNlcm5hbWU6
TEFOU0VZT1VZVVRBT0AxNjMuY29t
334 UGFzc3dvcmQ6
MTk4NjIxMA==
535 #5.7.0 Authentication failed
javax.mail.AuthenticationFailedException
老是这个异常,请大侠们帮个忙!
String toemails="[email protected]";
        //设置邮件服务器地址
props.put("mail.smtp.host", "smtp.163.com"); 你把邮件服务器设置成sina的或者你发给
163的邮箱看看行不

别人给了段 用javamail实现邮件发送功能的源码，没有报什么错，可是邮件发送不出去，恳请高人指点，感激不尽

解决方案 »

别人给了段用javamail实现邮件发送功能的源码，没有报什么错，可是邮件发送不出去，恳请高人指点，感激不尽