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[英]How to send mail(gmail mail) programmatically without using SMTP server
[英]How to send mail gmail via smtp?
我在尝试执行此邮件发送方法时收到异常。
{"语法错误,命令无法识别。服务器响应为:"}
我的代码:
public async static Task SendExceptionMail(Exception e)
{
try
{
//TODO: fill..
var message = new MailMessage();
message.To.Add("other_email_than_my_email@gmail.com");
message.From = new MailAddress("my_email_in_gmail@gmail.com");
message.Subject = "Server Exception Occured";
StringBuilder sb = new StringBuilder();
sb.AppendLine("Exception occured. Stack trace:");
sb.AppendLine(e.StackTrace);
sb.AppendLine("");
sb.AppendLine("Time: " + DateTime.UtcNow);
message.Body = sb.ToString();
message.IsBodyHtml = false;
message.BodyEncoding = UTF8Encoding.UTF8;
using (var smtpClient = new SmtpClient())
{
smtpClient.Credentials = new System.Net.NetworkCredential("my_email_in_gmail@gmail.com", "very_very_complicated_password_with_numbers_and_signs");
smtpClient.Host = "smtp.gmail.com";
smtpClient.Port = 465;
smtpClient.EnableSsl = true;
smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;
//smtpClient.UseDefaultCredentials = false;
await smtpClient.SendMailAsync(message);
}
}
catch (Exception ex)
{
Console.Write(ex.StackTrace);
}
}
在我的 Gmail 帐户中,我允许在设置选项卡中使用 IMAP 和 POP。
我试过的:
The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required. Learn more at
The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required. Learn more at
UseDefaultCredentials
行, DeliveryMethod
属性IsBodyHtml
和BodyEncoding
属性我建议你遵循这个 - 通过 Gmail 在 .NET 中发送电子邮件并且无法从某些服务器发送邮件
-首先检查是否在谷歌帐户设置中启用了“允许安全性较低的应用程序访问您的帐户”,然后检查以下代码:
using (var smtpClient = new SmtpClient())
{
smtpClient.Credentials = new System.Net.NetworkCredential("my_email_in_gmail@gmail.com", "very_very_complicated_password_with_numbers_and_signs");
smtpClient.Host = "smtp.gmail.com";
smtpClient.Port = 587; // Google smtp port
smtpClient.EnableSsl = true;
smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;
smtpClient.UseDefaultCredentials = false;// disable it
/// Now specify the credentials
smtpClient.Credentials = new NetworkCredential(message.From.Address, fromPassword)
await smtpClient.SendMailAsync(message);
}
可能有一些防火墙问题。
参考资料:
ASP.net 中的 SendEmail 显示语法错误,命令无法识别。 服务器响应是:Dovecot ready
语法错误,命令无法识别。 服务器响应为 ''
希望这有帮助。
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