How to Copy IMAP Mail to another IMAP Server

Note, this example uses unreleased functionality. The FetchSequenceAsMime method will be available in the next Chilkat IMAP release. 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

Solaris C/C++ Libraries

C++ Builder Libraries

#include <CkImap.h>
#include <CkStringArray.h>

void ChilkatSample(void)
    {
    CkImap imapSrc;

    bool success;

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

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

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

    CkImap imapDest;

    //  Connect to our destination IMAP server.
    success = imapDest.Connect("mail.chilkatsoft.com");
    if (success != true) {
        printf("%s\n",imapDest.lastErrorText());
        return;
    }

    //  Login to the destination IMAP server
    success = imapDest.Login("matt@chilkatsoft.com","*myPassword2*");
    if (success != true) {
        printf("%s\n",imapDest.lastErrorText());
        return;
    }

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

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

    //  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.
    int startSeqNum;
    startSeqNum = 1;
    int msgCount;
    msgCount = 10;

    CkStringArray *sa = 0;
    sa = imapSrc.FetchSequenceAsMime(startSeqNum,msgCount);
    if (sa == 0 ) {
        printf("%s\n",imapSrc.lastErrorText());
        return;
    }

    int i;
    for (i = 0; i <= sa->get_Count() - 1; i++) {
        success = imapDest.AppendMime("Inbox",sa->GetString(i));
        if (success != true) {
            printf("%s\n",imapDest.lastErrorText());
            return;
        }

    }

    delete sa;

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