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(Unicode C++) How to Copy IMAP Mail to another IMAP Server

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

Chilkat C/C++ Library Downloads

MS Visual C/C++

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#include <CkImapW.h>
#include <CkStringArrayW.h>

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

    CkImapW imapSrc;

    // Connect to our source IMAP server.
    bool success = imapSrc.Connect(L"imap.someMailServer.com");
    if (success != true) {
        wprintf(L"%s\n",imapSrc.lastErrorText());
        return;
    }

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

    CkImapW imapDest;

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

    // Login to the destination IMAP server
    success = imapDest.Login(L"myLogin",L"myPassword");
    if (success != true) {
        wprintf(L"%s\n",imapDest.lastErrorText());
        return;
    }

    // Select an IMAP mailbox on the source IMAP server
    success = imapSrc.SelectMailbox(L"Inbox");
    if (success != true) {
        wprintf(L"%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:
    wprintf(L"%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 = 1;
    int msgCount = 10;

    CkStringArrayW *sa = 0;
    sa = imapSrc.FetchSequenceAsMime(startSeqNum,msgCount);
    if (imapSrc.get_LastMethodSuccess() != true) {
        wprintf(L"%s\n",imapSrc.lastErrorText());
        return;
    }

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

    }

    delete sa;

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

 

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