Unicode C
Unicode C
Example to Add Several BCC Email Recipients
See more Email Object Examples
Demonstrates how to call AddBCC once per email recipient.Chilkat Unicode C Downloads
#include <C_CkEmailW.h>
#include <C_CkMailManW.h>
void ChilkatSample(void)
{
BOOL success;
HCkEmailW email;
HCkMailManW mailman;
success = FALSE;
email = CkEmailW_Create();
CkEmailW_putSubject(email,L"Test email subject");
CkEmailW_putBody(email,L"Test email body");
CkEmailW_putFrom(email,L"Test <joe@example.com>");
// Add a primary TO recipient
CkEmailW_AddTo(email,L"Elizabeth",L"elizabeth@example.com");
// Add a CC recipient.
CkEmailW_AddCC(email,L"Jerry",L"jerry@example.com");
// Add 2 BCC recipients.
CkEmailW_AddBcc(email,L"Mira",L"mira@example.com");
CkEmailW_AddBcc(email,L"Alexander",L"alex@example.com");
// BCC recipients will not be present in the MIME of the email that is sent.
// However, the BCC recipients are included in the recipients provided to the SMTP server
// during the SMTP protocol conversation. This will be shown below.
// First, let's look at the MIME.
wprintf(L"%s\n",CkEmailW_getMime(email));
// MIME-Version: 1.0
// Date: Sat, 30 Oct 2021 07:58:32 -0500
// Message-ID: <183D5F51163BE4374B494D2ED067DE2783CC761B@SLICE>
// Content-Type: text/plain; charset=us-ascii; format=flowed
// Content-Transfer-Encoding: 7bit
// X-Priority: 3 (Normal)
// Subject: Test email subject
// From: Test <joe@example.com>
// To: Elizabeth <elizabeth@example.com>
// Cc: Jerry <jerry@example.com>
//
// Test email body
// Notice that the BCC recipients do not appear in the MIME. But don't worry, they are still present within the email object.
// The difference between CC and BCC recipients is that CC recipients appear in the MIME. Thus, the recipient of the email
// can see the CC recipients, but cannot see and is unaware of the BCC recipients.
// ----------------------------------------------------------------------------------------------
// Let's send the above email and examine the SMTP session log to show that the BCC recipients also receive the email.
mailman = CkMailManW_Create();
CkMailManW_putSmtpHost(mailman,L"smtp.example.com");
CkMailManW_putSmtpUsername(mailman,L"myUsername");
CkMailManW_putSmtpPassword(mailman,L"myPassword");
CkMailManW_putSmtpSsl(mailman,TRUE);
CkMailManW_putSmtpPort(mailman,465);
success = CkMailManW_SendEmail(mailman,email);
if (success != TRUE) {
wprintf(L"%s\n",CkMailManW_lastErrorText(mailman));
CkEmailW_Dispose(email);
CkMailManW_Dispose(mailman);
return;
}
success = CkMailManW_CloseSmtpConnection(mailman);
if (success != TRUE) {
wprintf(L"Connection to SMTP server not closed cleanly.\n");
}
wprintf(L"Mail Sent!\n");
// Examine the SMTP session log.
wprintf(L"%s\n",CkMailManW_smtpSessionLog(mailman));
// Here you can see the session log and the BCC email addresses included in the "RCPT TO" commands.
// 220 smtp.example.com ESMTP Example SMTP Service
// EHLO SLICE<CRLF>
// 250-smtp.example.com
// 250-8BITMIME
// 250-AUTH PLAIN LOGIN
// 250 Ok
// AUTH LOGIN<CRLF>
// 334 VXNlcm5hbWU6
// ***<CRLF>
// 334 UGFzc3dvcmQ6
// {PasswordOrCredentials}
// 235 Authentication successful.
// MAIL FROM:<joe@example.com><CRLF>
// 250 Ok
// RCPT TO:<elizabeth@example.com><CRLF>
// 250 Ok
// RCPT TO:<jerry@example.com><CRLF>
// 250 Ok
// RCPT TO:<mira@example.com><CRLF>
// 250 Ok
// RCPT TO:<alex@example.com><CRLF>
// 250 Ok
// DATA<CRLF>
// 354 End data with <CR><LF>.<CR><LF>
// {388 bytes}
// <CRLF>.<CRLF>
// 250 Ok
// QUIT<CRLF>
// 221 Bye
CkEmailW_Dispose(email);
CkMailManW_Dispose(mailman);
}