public async Task SendAsync(MailMessageDTO message)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
// Get MIME message
var msg = message.ToMimeMessage();
// Send message
using (var mx = new SmtpClient())
{
await mx.ConnectAsync(this.HostName, this.Port, AllowSsl?SecureSocketOptions.Auto : SecureSocketOptions.None);
if (AllowSsl)
{
mx.ServerCertificateValidationCallback = this.ServerCertificateValidationCallback;
}
if (!string.IsNullOrEmpty(this.UserName) && !string.IsNullOrEmpty(this.Password))
{
await mx.AuthenticateAsync(this.UserName, this.Password);
}
await mx.SendAsync(msg);
await mx.DisconnectAsync(true);
}
}
public async Task SendAsync(MailMessageDTO message)
{
var sb = new StringBuilder();
sb.AppendLine("From: " + message.From);
sb.AppendLine("To: " + string.Join("; ", message.To));
sb.AppendLine("CC: " + string.Join("; ", message.Cc));
sb.AppendLine("BCC: " + string.Join("; ", message.Bcc));
sb.AppendLine("Reply-To: " + string.Join("; ", message.ReplyTo));
sb.AppendLine("Subject: " + message.Subject);
sb.AppendLine();
sb.AppendLine(message.BodyHtml);
sb.AppendLine();
sb.AppendLine(message.BodyText);
var fileName = Path.Combine(directory, Guid.NewGuid() + ".txt");
using (var fs = new FileStream(fileName, FileMode.OpenOrCreate, FileAccess.Write))
{
using (var sw = new StreamWriter(fs, Encoding.UTF8))
{
await sw.WriteAsync(sb.ToString());
}
}
}
/// <summary>
/// Sends an e-mail message to a specified recipients.
/// </summary>
public Task SendMailAsync(string[] to, string subject, string body,
IEnumerable <string> ccAddresses = null,
IEnumerable <string> bccAddresses = null,
IEnumerable <string> replyToAddresses = null,
IEnumerable <AttachmentDTO> attachments = null
)
{
var message = new MailMessageDTO();
foreach (var recipient in to)
{
message.To.Add(new MailAddressDTO(recipient));
}
message.Subject = subject;
message.BodyHtml = body;
if (ccAddresses != null)
{
foreach (var address in ccAddresses)
{
message.Cc.Add(new MailAddressDTO(address));
}
}
if (bccAddresses != null)
{
foreach (var address in bccAddresses)
{
message.Bcc.Add(new MailAddressDTO(address));
}
}
if (replyToAddresses != null)
{
foreach (var address in replyToAddresses)
{
message.ReplyTo.Add(new MailAddressDTO(address));
}
}
if (attachments != null)
{
foreach (var attachment in attachments)
{
message.Attachments.Add(attachment);
}
}
return(SendMailAsync(message));
}
public async Task SendAsync(MailMessageDTO message)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
// Convert to message
var msg = message.ToMimeMessage();
// Write to temp file to avoid pickup of incomplete message
var tempFileName = Path.GetTempFileName();
using (var sw = File.CreateText(tempFileName))
{
// Write envelope sender
await sw.WriteLineAsync($"X-Sender: <{message.From.Address}>");
// Write envelope receivers
var receivers = message.To
.Union(message.Cc)
.Union(message.Bcc);
foreach (var item in receivers.Select(x => x.Address))
{
await sw.WriteLineAsync($"X-Receiver: <{item}>");
}
// Flush data and write rest of message
await sw.FlushAsync();
msg.WriteTo(sw.BaseStream);
}
var msgFileName = Path.Combine(FolderName, string.Join(".", DateTime.Now.ToString("yyyyMMdd-HHmmss"), Guid.NewGuid().ToString("N"), "eml"));
// Create final directory if not exists
if (!Directory.Exists(FolderName))
{
Directory.CreateDirectory(FolderName);
}
// Move the file to final destination
File.Move(tempFileName, msgFileName);
}
public async Task SendAsync(MailMessageDTO message)
{
using (var smtpMessage = new MailMessage())
{
if (message.From != null)
{
smtpMessage.From = ConvertAddress(message.From);
}
foreach (var to in message.To)
{
smtpMessage.To.Add(ConvertAddress(to));
}
foreach (var cc in message.Cc)
{
smtpMessage.CC.Add(ConvertAddress(cc));
}
foreach (var bcc in message.Bcc)
{
smtpMessage.Bcc.Add(ConvertAddress(bcc));
}
foreach (var replyTo in message.ReplyTo)
{
smtpMessage.ReplyToList.Add(ConvertAddress(replyTo));
}
smtpMessage.Subject = message.Subject;
if (!string.IsNullOrEmpty(message.BodyHtml))
{
smtpMessage.Body = message.BodyHtml;
smtpMessage.IsBodyHtml = true;
}
else
{
smtpMessage.Body = message.BodyText;
smtpMessage.IsBodyHtml = false;
}
foreach (var attachment in message.Attachments)
{
smtpMessage.Attachments.Add(ConvertAttachment(attachment));
}
await client.SendMailAsync(smtpMessage);
}
}
public static MimeMessage ToMimeMessage(this MailMessageDTO dto)
{
var msg = new MimeMessage();
// Add standard header fields
msg.From.Add(dto.From.ToMailboxAddress());
msg.To.AddRange(dto.To.ToMailboxAddress());
msg.Cc.AddRange(dto.Cc.ToMailboxAddress());
msg.Bcc.AddRange(dto.Bcc.ToMailboxAddress());
msg.Sender = dto.Sender.ToMailboxAddress();
msg.ReplyTo.AddRange(dto.ReplyTo.ToMailboxAddress());
msg.Subject = dto.Subject;
// Add custom header fields
foreach (var item in dto.CustomHeaders)
{
msg.Headers.Add(item.Key, item.Value);
}
// Construct body
var bb = new BodyBuilder
{
TextBody = dto.BodyText,
HtmlBody = dto.BodyHtml
};
// Add attachments
foreach (var item in dto.Attachments)
{
ContentType ct;
var r = ContentType.TryParse(item.MimeType, out ct);
if (!r)
{
ct = new ContentType("application", "octet-stream");
}
bb.Attachments.Add(item.Name, item.Stream, ct);
}
msg.Body = bb.ToMessageBody();
return(msg);
}
/// <summary>
/// Sends a specified e-mail message.
/// </summary>
public async Task SendMailAsync(MailMessageDTO message)
{
if (From != null)
{
message.From = From;
}
if (!string.IsNullOrEmpty(SubjectFormatString))
{
message.Subject = string.Format(SubjectFormatString, message.Subject);
}
if (!string.IsNullOrEmpty(BodyTextFormatString) && !string.IsNullOrEmpty(message.BodyText))
{
message.BodyText = string.Format(BodyTextFormatString, message.BodyText);
}
if (!string.IsNullOrEmpty(BodyHtmlFormatString) && !string.IsNullOrEmpty(message.BodyHtml))
{
message.BodyHtml = string.Format(BodyHtmlFormatString, message.BodyHtml);
}
if (OverrideToAddresses != null && OverrideToAddresses.Any())
{
message.To.Clear();
message.Cc.Clear();
message.Bcc.Clear();
foreach (var address in OverrideToAddresses)
{
message.To.Add(address);
}
}
var sendingArgs = new MessageSendingEventArgs(message);
OnMessageSending(sendingArgs);
if (!sendingArgs.Cancel)
{
await sender.SendAsync(sendingArgs.Message);
}
}
