public void Send(EmailMessage email, SmtpHost host, ICredentials credentials,
IEnumerable<Attachment> attachments)
{
if (string.IsNullOrWhiteSpace(email.SentTo))
{
throw new ArgumentNullException(email.SentTo);
}
if (string.IsNullOrWhiteSpace(email.Message))
{
throw new ArgumentNullException(email.Message);
}
string[] addresses = email.SentTo.Split(',');
foreach (string address in addresses)
{
Validator validator = new Validator(address);
validator.Validate();
if (!validator.IsValid)
{
return;
}
}
addresses = addresses.Distinct().ToArray();
email.SentTo = string.Join(",", addresses);
email.Status = Status.Executing;
ThreadPool.QueueUserWorkItem(callback =>
{
MailAddress sender = new MailAddress(email.FromEmail, email.FromName);
using (MailMessage mail = new MailMessage(email.FromEmail, email.SentTo))
{
foreach (var attachment in attachments)
{
mail.Attachments.Add(attachment);
}
mail.From = sender;
using (SmtpClient smtp = new SmtpClient(host.Address, host.Port))
{
smtp.DeliveryMethod = host.DeliveryMethod;
smtp.PickupDirectoryLocation = host.PickupDirectory;
smtp.EnableSsl = host.EnableSSL;
smtp.UseDefaultCredentials = false;
smtp.Credentials = new NetworkCredential(credentials.Username, credentials.Password);
try
{
mail.Subject = email.Subject;
mail.Body = email.Message;
mail.IsBodyHtml = true;
mail.SubjectEncoding = Encoding.UTF8;
email.Status = Status.Completed;
smtp.Send(mail);
}
catch (SmtpException ex)
{
email.Status = Status.Failed;
Log.Warning(@"Could not send email to {To}. {Ex}. ", email.SentTo, ex);
}
}
}
});
}
public async Task<bool> Send(EmailMessage email, SmtpHost host, ICredentials credentials,
bool deleteAttachmentes, params string[] attachments)
{
if (string.IsNullOrWhiteSpace(email.SentTo))
{
throw new ArgumentNullException(email.SentTo);
}
if (string.IsNullOrWhiteSpace(email.Message))
{
throw new ArgumentNullException(email.Message);
}
string[] addresses = email.SentTo.Split(',');
foreach (string address in addresses)
{
Validator validator = new Validator(address);
validator.Validate();
if (!validator.IsValid)
{
return false;
}
}
addresses = addresses.Distinct().ToArray();
email.SentTo = string.Join(",", addresses);
email.Status = Status.Executing;
MailAddress sender = new MailAddress(email.FromEmail, email.FromName);
using (MailMessage mail = new MailMessage(email.FromEmail, email.SentTo))
{
if (attachments != null)
{
foreach (string file in attachments)
{
if (!string.IsNullOrWhiteSpace(file))
{
if (File.Exists(file))
{
Attachment attachment = new Attachment(file, MediaTypeNames.Application.Octet);
ContentDisposition disposition = attachment.ContentDisposition;
disposition.CreationDate = File.GetCreationTime(file);
disposition.ModificationDate = File.GetLastWriteTime(file);
disposition.ReadDate = File.GetLastAccessTime(file);
disposition.FileName = Path.GetFileName(file);
disposition.Size = new FileInfo(file).Length;
disposition.DispositionType = DispositionTypeNames.Attachment;
mail.Attachments.Add(attachment);
}
}
}
}
mail.From = sender;
using (SmtpClient smtp = new SmtpClient(host.Address, host.Port))
{
smtp.DeliveryMethod = host.DeliveryMethod;
smtp.PickupDirectoryLocation = host.PickupDirectory;
smtp.EnableSsl = host.EnableSSL;
smtp.UseDefaultCredentials = false;
smtp.Credentials = new NetworkCredential(credentials.Username, credentials.Password);
try
{
mail.Subject = email.Subject;
mail.Body = email.Message;
mail.IsBodyHtml = true;
mail.SubjectEncoding = Encoding.UTF8;
email.Status = Status.Completed;
await smtp.SendMailAsync(mail);
return true;
}
catch (SmtpException ex)
{
email.Status = Status.Failed;
Log.Warning(@"Could not send email to {To}. {Ex}. ", email.SentTo, ex);
}
finally
{
foreach (IDisposable item in mail.Attachments)
{
if (item != null)
{
item.Dispose();
}
}
if (deleteAttachmentes)
{
this.DeleteFiles(attachments);
}
}
}
}
return false;
}
