/// <summary>
/// Sends an email
/// </summary>
/// <param name="emailAccount">Email account to use</param>
/// <param name="subject">Subject</param>
/// <param name="body">Body</param>
/// <param name="fromAddress">From address</param>
/// <param name="fromName">From display name</param>
/// <param name="toAddress">To address</param>
/// <param name="toName">To display name</param>
/// <param name="replyTo">ReplyTo address</param>
/// <param name="replyToName">ReplyTo display name</param>
/// <param name="bcc">BCC addresses list</param>
/// <param name="cc">CC addresses list</param>
/// <param name="attachmentFilePath">Attachment file path</param>
/// <param name="attachmentFileName">Attachment file name. If specified, then this file name will be sent to a recipient. Otherwise, "AttachmentFilePath" name will be used.</param>
/// <param name="attachedDownloadId">Attachment download ID (another attachment)</param>
/// <param name="headers">Headers</param>
public virtual void SendEmail(EmailAccount emailAccount, string subject, string body,
string fromAddress, string fromName, string toAddress, string toName,
string replyTo = null, string replyToName = null,
IEnumerable <string> bcc = null, IEnumerable <string> cc = null,
string attachmentFilePath = null, string attachmentFileName = null,
int attachedDownloadId = 0, IDictionary <string, string> headers = null)
{
var 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 (var address in bcc.Where(bccValue => !string.IsNullOrWhiteSpace(bccValue)))
{
message.Bcc.Add(address.Trim());
}
}
//CC
if (cc != null)
{
foreach (var 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 (var 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))
{
var 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);
}
//another attachment?
if (attachedDownloadId > 0)
{
var download = _downloadService.GetDownloadById(attachedDownloadId);
if (download != null)
{
//we do not support URLs as attachments
if (!download.UseDownloadUrl)
{
var fileName = !string.IsNullOrWhiteSpace(download.Filename) ? download.Filename : download.Id.ToString();
fileName += download.Extension;
var ms = new MemoryStream(download.DownloadBinary);
var attachment = new Attachment(ms, fileName);
//string contentType = !string.IsNullOrWhiteSpace(download.ContentType) ? download.ContentType : "application/octet-stream";
//var attachment = new Attachment(ms, fileName, contentType);
attachment.ContentDisposition.CreationDate = DateTime.UtcNow;
attachment.ContentDisposition.ModificationDate = DateTime.UtcNow;
attachment.ContentDisposition.ReadDate = DateTime.UtcNow;
message.Attachments.Add(attachment);
}
}
}
//send email
/*1st: https://www.google.com/settings/security/lesssecureapps : Should be Turned on.
*
* //2nd: https://accounts.google.com/b/0/displayunlockcaptcha
*/
using (var 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);
}
}