Process New Email by Scanning for Senders

Scan email and save application-selected emails to EML files with unique filenames.

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MS Windows Visual C/C++ Libraries

Linux/CentOS C/C++ Libraries

MAC OS X C/C++ Libraries

Solaris C/C++ Libraries

C++ Builder Libraries

// Needs #include <CkImap.h>
// Needs #include <CkMessageSet.h>
// Needs #include <CkEmailBundle.h>
// Needs #include <CkEmail.h>

    CkString strOut;

    CkImap imap;

    bool success;

    //  Anything unlocks the component and begins a fully-functional 30-day trial.
    success = imap.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        strOut.append(imap.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  Connect to an IMAP server.
    success = imap.Connect("mail.chilkatsoft.com");
    if (success != true) {
        strOut.append(imap.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  Login
    success = imap.Login("admin@chilkatsoft.com","*myPassword5*");
    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;
    }

    CkMessageSet *messageSet = 0;
    //  We can choose to fetch UIDs or sequence numbers.
    bool fetchUids;
    fetchUids = true;

    //  Fetch messages from the mailbox using a search criteria.
    //  This example finds NEW emails: these are emails that have the RECENT flag set, but not the SEEN flag:
    messageSet = imap.Search("NEW",fetchUids);
    if (messageSet == 0 ) {
        strOut.append(imap.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  This example will download headers, and then download
    //  the full email for those emails sent from a contact
    //  in our database.

    //  When downloading headers, each email object contains
    //  (obviously) the headers, but the body will be missing.
    //  Also, attachments will not be included.  However, it is
    //  possible to get information about the attachments
    //  as well as the complete size of the email.
    CkEmailBundle *bundle = 0;
    bundle = imap.FetchHeaders(*messageSet);
    if (bundle == 0 ) {
        delete messageSet;
        strOut.append(imap.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  Loop over the email objects...
    long i;
    for (i = 0; i <= bundle->get_MessageCount() - 1; i++) {
        CkEmail *email = 0;
        email = bundle->GetEmail(i);

        //  The sender's email address and name are available
        //  in the From, FromAddress, and FromName properties.
        //  If the sender is "Chilkat Support <support@chilkatsoft.com",
        //  then the From property will hold the entire string.
        //  the FromName property contains"Chilkat Support",
        //  and the FromAddress property contains "support@chilkatsoft.com"
        strOut.append(email->ck_from());
        strOut.append("\r\n");
        strOut.append(email->fromAddress());
        strOut.append("\r\n");
        strOut.append(email->fromName());
        strOut.append("\r\n");

        //  Assume at this point your code checks to see if the sender
        //  is one in your contacts database.  If so, this is
        //  the code you would write to download the entire
        //  email and save it to a file.

        //  The ckx-imap-uid header field is added when
        //  headers are downloaded.  This makes it possible
        //  to get the UID from the email object.
        const char * uidStr;
        uidStr = email->getHeaderField("ckx-imap-uid");
        long uid;
        uid = atoi(uidStr);

        CkEmail *fullEmail = 0;
        fullEmail = imap.FetchSingle(uid,true);
        if (!(fullEmail == 0 )) {
            //  You may use the GenerateFilename method to
            //  generate a unique filename...
            const char * filename;
            filename = fullEmail->generateFilename();

            //  SaveEml saves the entire email, including attachments.
            fullEmail->SaveEml(filename);
            delete fullEmail;
        }

        strOut.append("--");
        strOut.append("\r\n");
        delete email;
    }

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

    delete messageSet;
    delete bundle;

    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());