// ------------------------ AddRecipient ----------------------------------
public void AddRecipient(EmailAddress InAddress, MailAddressType InType)
{
try
{
switch (InType)
{
case MailAddressType.To:
mToRecipients.AddRecipient(InAddress);
break;
case MailAddressType.Cc:
CCRecipients.AddRecipient(InAddress);
break;
case MailAddressType.Bcc:
BCCRecipients.AddRecipient(InAddress);
break;
}
}
catch (Exception e)
{
throw new MailException("Exception in AddRecipient: " + e.ToString( ));
}
}
/// <summary>Returns the MailMessage as a RFC 822 formatted message</summary>
public override string ToString()
{
StringBuilder sb = new StringBuilder(60000);
MimeHeaderLineBuilder lb = new MimeHeaderLineBuilder( );
lb.Traits.SetEncoderCharSet(charset);
// reply to email address
sb.Append(
MimeCommon.ConcatMessageLine(
lb.Traits,
"Reply-To:",
ReplyTo.ToMimeString(lb.Traits.EncoderCharSet),
MimeConstants.CrLf));
// BgnTemp debug. an already encoded from email address.
if (mEncodedFromAddress != null)
{
sb.Append(mEncodedFromAddress + MimeConstants.CrLf);
}
else
{
// EndTemp debug.
// send from email address
sb.Append(
MimeCommon.ConcatMessageLine(
lb.Traits,
"From:",
From.ToMimeString(lb.Traits.EncoderCharSet),
MimeConstants.CrLf));
}
// send to email address
sb.Append(
MimeCommon.ConcatMessageLine(
lb.Traits,
"To:",
ToRecipients.ToMessageHeaderString(lb.Traits.EncoderCharSet),
MimeConstants.CrLf));
// sb.Append( "Reply-To: " ) ;
// sb.Append( ReplyTo.ToMimeString( charset )) ;
// sb.Append( SmtpConstants.CrLf ) ;
// sb.Append( "From: " + From.ToMimeStringToMessageHeaderString( charset )) ;
// sb.Append( SmtpConstants.CrLf ) ;
// sb.Append( "To: " + ToRecipients.ToMessageHeaderString( charset )) ;
// sb.Append( SmtpConstants.CrLf ) ;
if (CCRecipients.Count > 0)
{
sb.Append("CC: " + CCRecipients.ToMessageHeaderString(charset));
sb.Append(SmtpConstants.CrLf);
}
if (BCCRecipients.Count > 0)
{
sb.Append("BCC: " + BCCRecipients.ToMessageHeaderString(charset));
sb.Append(SmtpConstants.CrLf);
}
// message subject line.
if (Stringer.IsNotEmpty(Subject))
{
lb.Clear( );
lb.Append("Subject: ");
lb.Append(Subject);
sb.Append(lb.ToEncodedString( ) + MimeConstants.CrLf);
}
// BgnTemp debug. an already encoded subject line.
if (mEncodedSubject != null)
{
sb.Append(mEncodedSubject + MimeConstants.CrLf);
}
// EndTemp debug.
// send timestamp
lb
.Clear( )
.Append("Date: " + DateTime.Now.ToUniversalTime().ToString("R"));
sb.Append(lb.ToEncodedString( ) + MimeConstants.CrLf);
sb.Append(SmtpConfig.X_MAILER_HEADER + "\r\n");
if (notification)
{
if (ReplyTo.FriendlyName != null && ReplyTo.FriendlyName.Length != 0)
{
sb.Append("Disposition-Notification-To: " + MailEncoder.ConvertHeaderToQP(ReplyTo.FriendlyName, charset) + " <" + ReplyTo.Address + ">\r\n");
}
else
{
sb.Append("Disposition-Notification-To: <" + ReplyTo.Address + ">\r\n");
}
}
if (priority != null)
{
sb.Append("X-Priority: " + priority + "\r\n");
}
if (customHeaders != null)
{
for (IEnumerator i = customHeaders.GetEnumerator(); i.MoveNext();)
{
MailHeader m = (MailHeader)i.Current;
if (m.name.Length >= 0 && m.body.Length >= 0)
{
sb.Append(m.name + ":" + MailEncoder.ConvertHeaderToQP(m.body, charset) + "\r\n");
}
else
{
// TODO: Check if below is within RFC spec.
sb.Append(m.name + ":\r\n");
}
}
}
sb.Append("MIME-Version: 1.0\r\n");
sb.Append(GetMessageBody());
return(sb.ToString());
}
/// <summary>
/// Send the message.
/// </summary>
/// <returns>
/// True if it succeeds.
/// </returns>
public bool SendMail()
{
// Create a mail message.
MimeMessage message = new MimeMessage();
// Handle addresses.
message.From.Add(new MailboxAddress(SenderName, SenderEmail));
foreach (string address in Recipients.Split(new[] { ";" }, StringSplitOptions.RemoveEmptyEntries))
{
message.To.Add(new MailboxAddress(address.Trim()));
}
foreach (string address in CCRecipients.Split(new[] { ";" }, StringSplitOptions.RemoveEmptyEntries))
{
message.Cc.Add(new MailboxAddress(address.Trim()));
}
foreach (string address in BCCRecipients.Split(new[] { ";" }, StringSplitOptions.RemoveEmptyEntries))
{
message.Bcc.Add(new MailboxAddress(address.Trim()));
}
if (!String.IsNullOrEmpty(ReplyTo))
{
foreach (string address in ReplyTo.Split(new[] { ";" }, StringSplitOptions.RemoveEmptyEntries))
{
message.ReplyTo.Add(new MailboxAddress(address.Trim()));
}
}
// Set up the subject, body, and attachments.
message.Subject = Subject;
var builder = new BodyBuilder();
if (UseHtml)
{
builder.HtmlBody = Message;
}
else
{
builder.TextBody = Message;
}
foreach (string path in _attachments)
{
builder.Attachments.Add(path);
}
message.Body = builder.ToMessageBody();
// Send the message.
SmtpClient client;
if (String.IsNullOrWhiteSpace(LogFile))
{
client = new SmtpClient();
}
else
{
client = new SmtpClient(new ProtocolLogger(LogFile));
}
using (client)
{
// Accept all SSL certificates (in case the server supports STARTTLS).
client.ServerCertificateValidationCallback = (s, c, h, e) => true;
client.Timeout = Timeout * 1000;
// See https://unop.uk/sending-email-in-.net-core-with-office-365-and-mailkit/ for Office 365 or
// https://unop.uk/advanced-email-sending-with-.net-core-and-mailkit/ for a more advanced guide
SecureSocketOptions value = (SecureSocketOptions)SecurityOptions;
client.Connect(MailServer, ServerPort, value);
if (OAuthenticate != null)
{
client.Authenticate(OAuthenticate);
}
else if (!String.IsNullOrWhiteSpace(UserName))
{
// TODO: may have to use System.Text.Encoding.UTF8 as first parameter; see https://github.com/jstedfast/MailKit/issues/686
// See https://dotnetcoretutorials.com/2018/03/18/common-errors-sending-email-mailkit/ for common errors
client.Authenticate(UserName, Password);
}
client.Send(message);
client.Disconnect(true);
}
client.Dispose();
return(true);
}