// http://stackoverflow.com/questions/7276375/what-are-best-practices-for-using-smtpclient-sendasync-and-dispose-under-net-4/7276819#7276819
/// <summary>
/// Call using:
/// using System.Threading.Tasks;
/// var t = Task.Run( () => Global.Utils.Emails.SendEmailAsync( "*****@*****.**", asunto, "enviado desde helpdesk", false ) );
/// t.Wait();
/// </summary>
/// <param name="toEmailAddress"></param>
/// <param name="emailSubject"></param>
/// <param name="emailMessage"></param>
/// <param name="isBodyHtml"></param>
/// <returns></returns>
public static async Task SendEmailAsync(string[] to, string from, string[] CC, string[] BCC, string emailSubject, string emailMessage, bool isBodyHtml)
{
var message = new MailMessage();
//message.To.Add( toEmailAddress );
// from?
message.From = new MailAddress(from);
// to?
if (to != null)
{
foreach (string s in to)
{
if (s != null)
{
message.To.Add(s);
}
}
}
// CC?
if (CC != null)
{
foreach (string s in CC)
{
if (s != null)
{
message.To.Add(s);
}
}
}
// BCC?
if (BCC != null)
{
foreach (string s in BCC)
{
if (s != null)
{
message.To.Add(s);
}
}
}
message.Subject = emailSubject;
message.Body = emailMessage;
message.IsBodyHtml = isBodyHtml;
message.From = new MailAddress(Configuration.Mail.GetMailServerLogin());
//Proper Authentication Details need to be passed when sending email from gmail
NetworkCredential mailAuthentication = new NetworkCredential(Configuration.Mail.GetMailServerLogin(), Configuration.Mail.GetMailServerPassword());
using (var smtpClient = new SmtpClient())
{
// server
smtpClient.Host = Configuration.Mail.GetMailServer();
smtpClient.Port = Configuration.Mail.GetMailServerPort();
smtpClient.EnableSsl = Configuration.Mail.GetMailServerIsEnableSSL();
smtpClient.UseDefaultCredentials = false;
smtpClient.Credentials = mailAuthentication;
if (Global.Configuration.Development.GetIsEnabledDeveloperMode())
{
smtpClient.Timeout = 5000;
}
else
{
smtpClient.Timeout = 180000; //An Int32 that specifies the time-out value in milliseconds. The default value is 100,000 (100 seconds).
}
// Set the method that is called back when the send operation ends.
// smtpClient.SendCompleted += new SendCompletedEventHandler( SendCompletedCallback );
// The userState can be any object that allows your callback
// method to identify this send operation.
// For this example, the userToken is a string constant.
string userState = emailSubject.Replace(" ", "") + "_" + DateTime.Now.Ticks.ToString();
// send
try
{
await smtpClient.SendMailAsync(message);
// smtpClient.Send( message ); // only works with this...
// smtpClient.SendAsync( message, userState );
}
catch (Exception e)
{
Global.LogError(HttpContext.Current, EnumLogCategories.EMAIL, e.Message + Environment.NewLine + e.InnerException);
}
}
}
