private static async Task SendMailExImplAsync(
System.Net.Mail.SmtpClient client,
System.Net.Mail.MailMessage message,
CancellationToken token)
{
token.ThrowIfCancellationRequested();
var tcs = new TaskCompletionSource <bool>();
System.Net.Mail.SendCompletedEventHandler handler = null;
Action unsubscribe = () => client.SendCompleted -= handler;
handler = async(s, e) =>
{
unsubscribe();
// a hack to complete the handler asynchronously
await Task.Yield();
if (e.UserState != tcs)
{
tcs.TrySetException(new InvalidOperationException("Unexpected UserState"));
}
else if (e.Cancelled)
{
tcs.TrySetCanceled();
}
else if (e.Error != null)
{
tcs.TrySetException(e.Error);
}
else
{
tcs.TrySetResult(true);
}
};
client.SendCompleted += handler;
try
{
client.SendAsync(message, tcs);
using (token.Register(() => client.SendAsyncCancel(), useSynchronizationContext: false))
{
await tcs.Task;
}
}
finally
{
unsubscribe();
}
}
public async Task SendEmailAsync(string email, string subject, string message)
{
//var emailMessage = new MimeMessage();
//emailMessage.From.Add(new MailboxAddress("Администрация сайта", "*****@*****.**"));
//emailMessage.To.Add(new MailboxAddress("", email));
//emailMessage.Subject = subject;
//emailMessage.Body = new TextPart(MimeKit.Text.TextFormat.Html)
//{
// Text = message
//};
//using (var client = new SmtpClient())
//{
// await client.SendAsync("smtp.mail.ru", 465, true,SecureSocketOptions.Auto);
// await client.AuthenticateAsync("*****@*****.**", "[eqdyjc85");
// // await client.
// await client.SendAsync(emailMessage);
// await client.DisconnectAsync(true);
//}
var l_mail = new System.Net.Mail.MailMessage("*****@*****.**", email);
l_mail.Subject = "Активация учетной записи";
l_mail.Body = message;
l_mail.IsBodyHtml = true;
using (var smtp = new System.Net.Mail.SmtpClient())
{
smtp.Host = "smtp.mail.ru";
smtp.EnableSsl = true;
var NetworkCred = new System.Net.NetworkCredential("*****@*****.**", "[eqdyjc85");
smtp.UseDefaultCredentials = true;
smtp.Credentials = NetworkCred;
smtp.Port = 587;
await smtp.SendMailAsync(l_mail);
smtp.SendAsyncCancel();
}
}
public virtual void SendAsyncCancel()
{
_smtpClient.SendAsyncCancel();
}
public override void SendAsyncCancel()
{
client.SendAsyncCancel();
}