(MFC) IMAP Download All Email One at a Time

Demonstrates how to download every email in an IMAP mailbox one at a time as a MIME string or as an email object. (The MIME contains the full contents of the email including all attachments.)

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

See Also: Using MFC CString in Chilkat

#include <CkImap.h>
#include <CkEmail.h>

void ChilkatSample(void)
    {
    CkString strOut;

    CkImap imap;

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

    // Connect to an IMAP server.
    // Use TLS
    imap.put_Ssl(true);
    imap.put_Port(993);
    bool success = imap.Connect("imap.someMailServer.com");
    if (success != true) {
        strOut.append(imap.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Login
    success = imap.Login("myLogin","myPassword");
    if (success != true) {
        strOut.append(imap.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Select an IMAP mailbox
    success = imap.SelectMailbox("Inbox");
    if (success != true) {
        strOut.append(imap.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Once the mailbox is selected, the NumMessages property
    // will contain the number of messages in the mailbox.
    // You may loop from 1 to NumMessages to
    // fetch each message by sequence number.

    bool bUid = false;
    const char *mimeStr = 0;
    int i;
    int n = imap.get_NumMessages();
    for (i = 1; i <= n; i++) {

        // Download the email by sequence number.
        mimeStr = imap.fetchSingleAsMime(i,bUid);

        // ... your application may process each MIME string...
    }

    // An alternative is to download each email in the form of an
    // email object, like this:
    CkEmail *email = 0;
    for (i = 1; i <= n; i++) {

        // Download the email by sequence number.
        email = imap.FetchSingle(i,bUid);

        // ... your application may process the email object...

        delete email;
    }

    // Disconnect from the IMAP server.
    success = imap.Disconnect();


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }