通过SmtpMail发送邮件，怎么会出错：eHttp.Message "未能访问“CDO.Message”对象。"

seaman_X 2004-05-09 11:40:17

是不是我设置不对，还是其他原因——希望高手解答。

MailMessage Message = getMailMessage( template,userInfo );

try
{
//SmtpMail.SmtpServer = ConfigurationSettings.AppSettings["SmtpServer"];
SmtpMail.Send(Message);
ErrDesc = string.Empty;
}
catch(System.Web.HttpException eHttp)
{
ErrDesc = eHttp.Message;
}

...全文

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「已注销」 2004-08-17

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很可能是你 smtp的服务没有开

mfkygazb 2004-08-17

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关注

sgp1201 2004-08-16

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为什么不引用CDO也可以？
还有我用using COD ;.net 报错，找不到是什么原因！
不过我的那个很稳定了！

sgp1201 2004-08-16

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连hotmail 163 都测试可以的！

sgp1201 2004-08-16

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这个是我改自微软帮助文档，我已经调试OK，不用引用CDO啊，只是服务器上要安装IIS的ＳＭＴＰ服务
using System.Web.Mail ;
private void SendMail(string sMailHost,string sMailFrom ,string sUser, string sPass,string sMailto ,string sSubject,string sBody)
{
try
{
try
{
MailMessage Message = new MailMessage();
Message.To = sMailto;
Message.From =sMailFrom;
Message.Subject = sSubject;
Message.Priority = MailPriority.Low;
Message.BodyFormat = MailFormat.Html;
Message.Body = sBody;
Message.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate", "1"); //basic authentication
Message.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusername", sUser); //set your username here
Message.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendpassword", sPass); //set your password here

try
{
SmtpMail.SmtpServer = sMailHost;
SmtpMail.Send(Message);
}
catch(System.Web.HttpException ehttp)
{
ShowMessage(ehttp.Message);
ShowMessage("Here is the full error message output");
ShowMessage(ehttp.ToString());
}
}
catch(IndexOutOfRangeException)
{
ShowMessage("未知错误！");
}
}
catch(System.Exception e)
{
ShowMessage(e.Message);
ShowMessage("Here is the Full Message output");
ShowMessage(e.ToString());
}
}

Bmonkey 2004-07-25

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需要验证，你验证用户名和密码没？

jenny5466 2004-07-25

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You have to correctly setup the SMTP server.
- relay
- connection
- SECURITY: add the ASPNET user to the operators list

「已注销」 2004-07-16

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关注！

ghwangtongji 2004-07-15

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不死心啊,继续测........
测到后来倒是稳定了,就是始终都提示: Could not access 'CDO.Message' object.
太郁闷了,于是我想起自己提出的问题:
http://community.csdn.net/Expert/TopicView.asp?id=3133950
当时就是莫名其妙地换了个163的帐号,就通过了.
于是乎这次我故技重演,换了另外一个163的帐号,又一次莫名其妙地通过了.:P
搞不懂:(
这次没上次顺利的地方是:
上次换new的成功后,把old再换回来也能成功发送;
这次换new的成功后,把old再换回来不能成功发送.

我猜测是不是因为163那边的原因
之所以前后两次不同是因为第一次的时候我的两个账号都没怎么成功发过
而第二次我的old帐号已成功发送过很多次,会不会被163盯上了:-(
当然这只是根据我测试的情况做的猜测,因为我实在想不出其他更好的理由来
所以我建议楼主可以申请个新的帐号试试看,最好是163的,这样我们就可以对照一下了

ghwangtongji 2004-07-15

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我碰到的问题是用SmtpMail.Send(mail)时好时坏,不稳定
我在后台启动一个线程定时发邮件,测试时周期为一分钟
try
{
c = System.DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss");
x.Write("\r\n"+c);
SmtpMail.Send(mail);
x.Write(": Mail sent successfully!");
}
catch(Exception ex)
{
x.Write(": "+ex.Message);
}
finally
{
x.Close();
}

结果是:
2004-06-15 02:31:00: Mail sent successfully!
2004-06-15 02:32:00: Could not access 'CDO.Message' object.
2004-06-15 02:33:00: Could not access 'CDO.Message' object.
2004-06-15 02:34:00: Could not access 'CDO.Message' object.
2004-06-15 02:35:00: Could not access 'CDO.Message' object.
2004-06-15 02:36:00: Mail sent successfully!
2004-06-15 02:36:59: Could not access 'CDO.Message' object.
2004-06-15 02:37:59: Could not access 'CDO.Message' object.
2004-06-15 02:38:59: Mail sent successfully!
2004-06-15 02:39:59: Could not access 'CDO.Message' object.
2004-06-15 02:40:59: Could not access 'CDO.Message' object.
2004-06-15 02:41:59: Could not access 'CDO.Message' object.
2004-06-15 02:42:59: Could not access 'CDO.Message' object.
2004-06-15 02:43:59: Could not access 'CDO.Message' object.
2004-06-15 02:44:58: Mail sent successfully!

AngelGavin 2004-07-12