我想运行下面的代码,而我怎么能使用SMTP
NetworkCredential nc = new Net.NetworkCredential("USERNAME", "PASSWORD").
发送邮件通过Exchange服务器只使用的Exchange主机(服务器名)和端口
即时得到错误对于此代码:信箱不可用。服务器响应为:5.7.1客户端没有权限发送的该发件人
protected void SendEmail(object sender, EventArgs e)
{
SmtpClient smtpClient = new SmtpClient("ExchangeServerName",25);
MailMessage message = new MailMessage();
try
{
MailAddress fromAddress = new MailAddress("[email protected]", "From Me");
MailAddress toAddress = new MailAddress("[email protected]", "To You");
message.From = fromAddress;
message.To.Add(toAddress);
message.Subject = "Testing!";
message.Body = "This is the body of a sample message";
smtpClient.UseDefaultCredentials = true;
System.Net.NetworkCredential nc = CredentialCache.DefaultNetworkCredentials;
smtpClient.Credentials = (System.Net.ICredentialsByHost)nc.GetCredential("ExchangeServerName", 25, "Basic");
smtpClient.Send(message);
lblText.Text ="Email sent.";
}
catch (Exception ex)
{
lblText.Text = "Coudn't send the message!\n " + ex.Message;
}
}