C++

Upload (Append) Email to an IMAP Mailbox and get the UID of the Appended Email

Upload / append an email to an IMAP mailbox and get the UID of the appended email. C++

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

void ChilkatSample(void)
    {
    bool success = false;

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

    CkImap imap;

    // Connect to an IMAP server.
    // Use TLS
    imap.put_Ssl(true);
    imap.put_Port(993);
    success = imap.Connect("imap.example.com");
    if (success != true) {
        std::cout << imap.lastErrorText() << "\r\n";
        return;
    }

    // Login
    success = imap.Login("myLogin","myPassword");
    if (success != true) {
        std::cout << imap.lastErrorText() << "\r\n";
        return;
    }

    // Check the capabilities of the IMAP server.
    const char *cap = imap.capability();
    std::cout << "IMAP capabilities: " << cap << "\r\n";

    // If the capabilities string contains the substring "UIDPLUS", then 
    // the UID of the appended email will be available in the AppendUid property (see below).

    // For example, the GMail IMAP server has these capabilities (at this current time)
    // * CAPABILITY IMAP4rev1 UNSELECT IDLE NAMESPACE QUOTA ID XLIST CHILDREN 
    // X-GM-EXT-1 UIDPLUS COMPRESS=DEFLATE ENABLE MOVE CONDSTORE ESEARCH UTF8=ACCEPT 
    // APPENDLIMIT=35882577 LIST-EXTENDED LIST-STATUS

    CkEmail email;

    // Load the email from a .eml file.
    success = email.LoadEml("myEmail.eml");
    if (success != true) {
        std::cout << email.lastErrorText() << "\r\n";
        return;
    }

    success = imap.AppendMail("Inbox",email);
    if (success != true) {
        std::cout << imap.lastErrorText() << "\r\n";
        return;
    }

    // If the IMAP server supports the UIDPLUS extension, then the 
    // imap.AppendUid will contain the UID of the appended email.
    // Otherwise AppendUid will be 0.
    std::cout << "UID of appended email: " << imap.get_AppendUid() << "\r\n";

    // If the IMAP server does NOT have UIDPLUS, then a program can 
    // first select the mailbox, get the value of the UidNext property,
    // and then append.  The appended email SHOULD have a UID equal to 
    // the UidNext that was obtained just prior to appending (assuming no other
    // program is simultaneously appending an email to the same mailbox).

    // Note: It is not required to select a mailbox to append.  The select is only
    // done for the purpose of obtaining the UIDNEXT value.
    success = imap.SelectMailbox("Inbox");
    if (success != true) {
        std::cout << imap.lastErrorText() << "\r\n";
        return;
    }

    int uidNext = imap.get_UidNext();

    success = imap.AppendMail("Inbox",email);
    if (success != true) {
        std::cout << imap.lastErrorText() << "\r\n";
        return;
    }

    std::cout << "The UID of the appended email SHOULD be " << uidNext << "\r\n";

    std::cout << "Email uploaded to Inbox!" << "\r\n";

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