[英]Can't send mail from C# app
I'm trying to send a mail from an app I'm developing but always get the same exception message: "Aditional Information: Mailbox unavailable. The server response was: 5.7.3 Requested action aborted; user not authenticated". 我试图从正在开发的应用程序中发送邮件,但总是收到相同的异常消息:“附加信息:邮箱不可用。服务器响应为:5.7.3请求的操作已中止;用户未通过身份验证”。
Here's my code: 这是我的代码:
SmtpClient appClient = new SmtpClient("smtp-mail.outlook.com");
appClient.Port = 587;
appClient.DeliveryMethod = SmtpDeliveryMethod.Network;
appClient.UseDefaultCredentials = false;
System.Net.NetworkCredential Credentials =
new System.Net.NetworkCredential(Properties.Settings.Default.systemMail,
Properties.Settings.Default.systemMailPass);
appClient.EnableSsl = true;
appClient.Credentials = Credentials;
try
{
var mail = new MailMessage(Properties.Settings.Default.systemMail.Trim(), usrMail.Trim());
mail.Subject = "Usuario ha sido creado con éxito";
mail.Body = "Se ha creado el usuario " + usrCode + " en el servidor: " + Properties.Settings.Default.serverAdress + " instancia: " + Properties.Settings.Default.serverInstance + ".";
appClient.Send(mail);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
throw ex;
}
Try to use the UseDefaultCredentials = false
before setting Credentials: 设置凭据之前,请尝试使用
UseDefaultCredentials = false
:
appClient.UseDefaultCredentials = false;
appClient.Credentials = Credentials;
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