How to Copy IMAP Mail to another IMAP Server

Demonstrates how to copy the entire contents of an IMAP mailbox to another IMAP server.

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MS Windows Visual C/C++ Libraries

Linux/CentOS C/C++ Libraries

MAC OS X C/C++ Libraries

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C++ Builder Libraries

FreeBSD C++ Libraries

HP-UX C++ Libraries

BlackBerry QNX C++ Libraries

#include <C_CkImap.h>
#include <C_CkStringArray.h>

void ChilkatSample(void)
    {
    HCkImap imapSrc;
    BOOL success;
    HCkImap imapDest;
    long startSeqNum;
    long msgCount;
    HCkStringArray sa;
    long i;

    imapSrc = CkImap_Create();

    //  Anything unlocks the component and begins a fully-functional 30-day trial.
    success = CkImap_UnlockComponent(imapSrc,"Anything for 30-day trial");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imapSrc));
        return;
    }

    //  Connect to our source IMAP server.
    success = CkImap_Connect(imapSrc,"mail.chilkatsoft.com");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imapSrc));
        return;
    }

    //  Login to the source IMAP server
    success = CkImap_Login(imapSrc,"admin@chilkatsoft.com","*myPassword5*");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imapSrc));
        return;
    }

    imapDest = CkImap_Create();

    //  Connect to our destination IMAP server.
    success = CkImap_Connect(imapDest,"mail.example-code.com");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imapDest));
        return;
    }

    //  Login to the destination IMAP server
    success = CkImap_Login(imapDest,"myLogin","*myPassword2*");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imapDest));
        return;
    }

    //  Select an IMAP mailbox on the source IMAP server
    success = CkImap_SelectMailbox(imapSrc,"Inbox");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imapSrc));
        return;
    }

    //  After selecting a mailbox, the NumMessages property will
    //  be updated to reflect the total number of emails in the mailbox:
    printf("%d\n",CkImap_getNumMessages(imapSrc));

    //  The emails in the mailbox will always have sequence numbers
    //  ranging from 1 to NumMessages.

    //  This example will copy the first 10 messages.
    //  We'll leave it up to you to write code to copy
    //  the entire sequence range in reasonable size chunks.

    startSeqNum = 1;

    msgCount = 10;

    sa = CkImap_FetchSequenceAsMime(imapSrc,startSeqNum,msgCount);
    if (sa == 0 ) {
        printf("%s\n",CkImap_lastErrorText(imapSrc));
        return;
    }

    for (i = 0; i <= CkStringArray_getCount(sa) - 1; i++) {
        success = CkImap_AppendMime(imapDest,"Inbox",CkStringArray_getString(sa,i));
        if (success != TRUE) {
            printf("%s\n",CkImap_lastErrorText(imapDest));
            return;
        }

    }

    CkStringArray_Dispose(sa);

    //  Disconnect from the IMAP servers.
    CkImap_Disconnect(imapSrc);
    CkImap_Disconnect(imapDest);

    CkImap_Dispose(imapSrc);
    CkImap_Dispose(imapDest);

    }