Java Requires Chilkat v11.0.0+

How to Copy IMAP Mail to another IMAP Server

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

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    boolean success = false;

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

    CkImap imapSrc = new CkImap();

    //  Connect to our source IMAP server.
    success = imapSrc.Connect("imap.example.com");
    if (success == false) {
        System.out.println(imapSrc.lastErrorText());
        return;
        }

    //  Login to the source IMAP server
    success = imapSrc.Login("admin@chilkatsoft.com","myPassword");
    if (success == false) {
        System.out.println(imapSrc.lastErrorText());
        return;
        }

    CkImap imapDest = new CkImap();

    //  Connect to our destination IMAP server.
    success = imapDest.Connect("mail.example-code.com");
    if (success == false) {
        System.out.println(imapDest.lastErrorText());
        return;
        }

    //  Login to the destination IMAP server
    success = imapDest.Login("myLogin","myPassword");
    if (success == false) {
        System.out.println(imapDest.lastErrorText());
        return;
        }

    //  Select an IMAP mailbox on the source IMAP server
    success = imapSrc.SelectMailbox("Inbox");
    if (success == false) {
        System.out.println(imapSrc.lastErrorText());
        return;
        }

    //  After selecting a mailbox, the NumMessages property will
    //  be updated to reflect the total number of emails in the mailbox:
    System.out.println(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 using sequence numbers
    CkStringBuilder sbMime = new CkStringBuilder();
    int seqNum;
    for (seqNum = 1; seqNum <= 10; seqNum++) {
        sbMime.Clear();
        success = imapSrc.FetchSingleAsMimeSb(seqNum,false,sbMime);
        if (success == false) {
            System.out.println(imapSrc.lastErrorText());
            return;
            }

        success = imapDest.AppendMimeWithFlagsSb("Inbox",sbMime,false,false,false,false);
        if (success == false) {
            System.out.println(imapDest.lastErrorText());
            return;
            }

        }

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