(MFC) MailMan GetSentToEmailAddrs

Demonstrates how to get the email addresses accepted by the SMTP server during an SMTP send.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkMailMan.h>
#include <CkEmail.h>
#include <CkStringArray.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // Demonstrates how to get the successful recipients for the last email sent.

    // Note: Success does not ensure actual delivery, nor does it mean the email address is actually valid.
    // It may be that the email address is invalid and will get bounced at the destination.

    // Also: An SMTP client (such as Chilkat, Mozilla Thunderbird, etc.) is only responsible for "handing off" the email to the SMTP server 
    // for delivery (either to a local mailbox, or to a remote mailbox where the SMTP server acts as a relay). 
    // The SMTP client's task is ended when the SMTP protocol exchange is completed, and the SMTP server says "OK, I've got it and I'll take it from here.". 
    // If the email never actually gets delivered, then there is a problem downstream of the Chilkat-->SMTP server handoff.

    CkMailMan mailman;

    mailman.put_SmtpHost("outlook.office365.com");
    mailman.put_SmtpPort(587);
    mailman.put_StartTLS(true);

    // Set the SMTP login/password
    mailman.put_SmtpUsername("OFFICE365-SMTP-LOGIN");
    mailman.put_SmtpPassword("OFFICE365-SMTP-PASSWORD");

    // Create a new email object
    CkEmail email;

    email.put_Subject("Testing for Chilkat API...");
    email.put_Body("Testing for Chilkat API...");
    email.put_From("Chilkat Support <my-office365-user@mydomain.com>");
    bool success = email.AddTo("Chilkat Admin","admin@chilkatsoft.com");
    success = email.AddTo("Chilkat Support","support@chilkatsoft.com");
    // To add more recipients, call AddTo, AddCC, or AddBcc once per recipient.

    // Allow SendEmail to succeed even if some recipients are rejected immediately
    // by the SMTP server.
    mailman.put_AllOrNone(false);

    // Call SendEmail to connect to the SMTP server and send.
    // The connection (i.e. session) to the SMTP server remains
    // open so that subsequent SendEmail calls may use the
    // same connection.  
    success = mailman.SendEmail(email);
    if (success != true) {
        strOut.append(mailman.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    success = mailman.CloseSmtpConnection();
    if (success != true) {
        strOut.append("Connection to SMTP server not closed cleanly.");
        strOut.append("\r\n");
    }

    strOut.append("Mail Sent!");
    strOut.append("\r\n");

    // Examine which email addresses were accepted by the SMTP server during the SMTP conversation. 
    // (i.e. during the SendEmail)
    CkStringArray *acceptedAddrs = mailman.GetSentToEmailAddrs();
    int numAddrs = acceptedAddrs->get_Count();
    int i = 0;
    while (i < numAddrs) {
        strOut.append("Accepted recipient ");
        strOut.appendInt(i);
        strOut.append(": ");
        strOut.append(acceptedAddrs->getString(i));
        strOut.append("\r\n");
        i = i + 1;
    }

    delete acceptedAddrs;


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }