c#使用SMTPClient发送邮箱

一：问题在于？？？

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1：163邮箱，qq邮箱默认未开通第三方邮箱，需要自己去开通

2：开通之后会获得授权码，不可以使用原来的密码，密码改为授权码

二：解决方法

1：在qq邮箱的设置中找到如图，开启smpt服务

2：设置UseDefaultCredentials 为false ，创建，smtpClient.Credentials = new NetworkCredential(emailSetting.Username, Password（这里是授权码）);

三：代码如下

public class EmailSettings
{
public string MailToAddress = "7126252@qq.com";
public string MailFromAddress = "9067447@qq.com";
public bool UseSsl = true;
public string Username = "9067447@qq.com";
public string Password = "zdyzwmlndsdsdsad"; //要使用qq的或者163邮箱的授权码
public string ServerName = "smtp.qq.com";
public int ServerPort = 25;
public bool WriteAsFile = false; //这里要false
public string FileLocation = "";
}
public class EmailOrderProcess:IOrderProcess
{
private EmailSettings emailSetting;
public EmailOrderProcess(EmailSettings setting)
{
emailSetting = setting;
}
public void ProcessOrder(Cart cart,ShoppingDetials shoppingDetials)
{
using(var smtpClient=new SmtpClient())
{
smtpClient.EnableSsl = emailSetting.UseSsl;
smtpClient.Host = emailSetting.ServerName;//smtp.qq.com
smtpClient.Port = emailSetting.ServerPort;
smtpClient.UseDefaultCredentials = false;
smtpClient.Credentials = new NetworkCredential(emailSetting.Username, emailSetting.Password);
if (emailSetting.WriteAsFile) { }
StringBuilder body = new StringBuilder().Append("A new order has been submitted");
var mailMessage = new MailMessage(emailSetting.MailFromAddress, emailSetting.MailToAddress, "A new order", body.ToString());
smtpClient.Send(mailMessage);
}
}
}