public Task SendEmailAsync(EmailAccount emailAccount, string subject, string body,
string fromAddress, string fromName, string toAddress, string toName,
string replyTo = null, string replyToName = null, string attachmentFilePath = null, string attachmentFileName = null,
IEnumerable <string> bcc = null, IEnumerable <string> cc = null,
IDictionary <string, string> headers = null)
{
MailMessage message = new MailMessage
{
//from, to, reply to
From = new MailAddress(fromAddress, fromName)
};
message.To.Add(new MailAddress(toAddress, toName));
if (!string.IsNullOrEmpty(replyTo))
{
message.ReplyToList.Add(new MailAddress(replyTo, replyToName));
}
//BCC
if (bcc != null)
{
foreach (string address in bcc.Where(bccValue => !string.IsNullOrWhiteSpace(bccValue)))
{
message.Bcc.Add(address.Trim());
}
}
//CC
if (cc != null)
{
foreach (string address in cc.Where(ccValue => !string.IsNullOrWhiteSpace(ccValue)))
{
message.CC.Add(address.Trim());
}
}
//content
message.Subject = subject;
message.Body = body;
message.IsBodyHtml = true;
//headers
if (headers != null)
{
foreach (KeyValuePair <string, string> header in headers)
{
message.Headers.Add(header.Key, header.Value);
}
}
//create the file attachment for this e-mail message
if (!string.IsNullOrEmpty(attachmentFilePath) &&
_fileProvider.FileExists(attachmentFilePath))
{
Attachment attachment = new Attachment(attachmentFilePath);
attachment.ContentDisposition.CreationDate = _fileProvider.GetCreationTime(attachmentFilePath);
attachment.ContentDisposition.ModificationDate = _fileProvider.GetLastWriteTime(attachmentFilePath);
attachment.ContentDisposition.ReadDate = _fileProvider.GetLastAccessTime(attachmentFilePath);
if (!string.IsNullOrEmpty(attachmentFileName))
{
attachment.Name = attachmentFileName;
}
message.Attachments.Add(attachment);
}
//send email
using (SmtpClient smtpClient = new SmtpClient())
{
smtpClient.UseDefaultCredentials = emailAccount.UseDefaultCredentials;
smtpClient.Host = emailAccount.Host;
smtpClient.Port = emailAccount.Port;
smtpClient.EnableSsl = emailAccount.EnableSsl;
smtpClient.Credentials = emailAccount.UseDefaultCredentials ?
CredentialCache.DefaultNetworkCredentials :
new NetworkCredential(emailAccount.Username, emailAccount.Password);
smtpClient.Send(message);
}
return(Task.CompletedTask);
}