public Task SendMessageAsync(IEmail mail)
{
return(Task.Run(() =>
{
using (var client = new SmtpClient())
{
lock (_configSyncHandle)
{
Console.WriteLine(Configuration.ToString());
Console.WriteLine(mail.ToString());
mail.From = Configuration.Username;
// For demo-purposes, accept all SSL certificates (in case the server supports STARTTLS)
client.ServerCertificateValidationCallback = (s, c, h, e) => true;
client.Connect(Configuration.Host, Configuration.Port, true);
// Note: since we don't have an OAuth2 token, disable
// the XOAUTH2 authentication mechanism.
client.AuthenticationMechanisms.Remove("XOAUTH2");
// Note: only needed if the SMTP server requires authentication
if (Configuration.UseAuthentication)
{
client.Authenticate(Configuration.Username, Configuration.Password);
}
client.Send(mail.ToMimeMessage());
client.Disconnect(true);
}
}
}));
}