[英]C# Windows Form Application - Send email using gmail smtp
我一直在尝试制作一个小程序通过smtp.gmail.com发送email,但是总是提示“操作超时”。 我知道 .net 上有很多可用的解决方案,但没有一个有效。
try
{
MailMessage message = new MailMessage();
SmtpClient smtp = new SmtpClient();
message.From = new MailAddress("from@gmail.com");
message.To.Add(new MailAddress("to@gmail.com"));
message.Subject = "Test";
message.Body = "Content";
smtp.Port = 465;
smtp.Host = "smtp.gmail.com";
smtp.EnableSsl = true;
smtp.UseDefaultCredentials = false;
smtp.Credentials = new NetworkCredential("from@gmail.com", "pwd");
smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
smtp.Send(message);
}
catch (Exception ex)
{
MessageBox.Show("err: " + ex.Message);
}
有什么办法可以解决这个问题吗?
将端口更改为587:
try
{
MailMessage message = new MailMessage();
SmtpClient smtp = new SmtpClient();
message.From = new MailAddress("from@gmail.com");
message.To.Add(new MailAddress("to@gmail.com"));
message.Subject = "Test";
message.Body = "Content";
smtp.Port = 587;
smtp.Host = "smtp.gmail.com";
smtp.EnableSsl = true;
smtp.UseDefaultCredentials = false;
smtp.Credentials = new NetworkCredential("from@gmail.com", "pwd");
smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
smtp.Send(message);
}
catch (Exception ex)
{
MessageBox.Show("err: " + ex.Message);
}
如何在c#windows应用程序中发送存储在d盘中的pdf文件的电子邮件...答案是......
MailMessage mail = new MailMessage();
SmtpClient SmtpServer = new SmtpClient("smtp.gmail.com");
mail.From = new MailAddress(txtFrom.Text.ToString());
mail.To.Add(txtmailTo.Text.ToString());
mail.Subject = "Mail Pdf";
var filename = @"D:/your file path/.pdf";
mail.Attachments.Add(new Attachment(filename));
SmtpServer.Port = 587;
SmtpServer.Credentials = new
System.Net.NetworkCredential(txtFrom.Text, txtPassword.Text);
SmtpServer.EnableSsl = true;
SmtpServer.Send(mail);
您可以使用 SMTP 协议将此图像作为附件发送,您的代码将类似于:
使用 MailKit.Net.Smtp; 使用 MimeKit;
MimeMessage message = new MimeMessage();
BodyBuilder Attachmint = new BodyBuilder();
message.From.Add(new MailboxAddress("name sender", "Mail From"));
message.To.Add(MailboxAddress.Parse("Mail To"));
message.Subject = Subject;
message.Body = new TextPart("plain")
{
Text = tex_body.Text + Massage
};
Attachmint.Attachments.Add("Attatchment Path");
message.Body = Attachmint.ToMessageBody();
SmtpClient client = new SmtpClient();
client.Connect("smtp.gmail.com", 465, true);
client.Authenticate("Mail from", "Password mail");
client.Send(message);
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