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. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Imap;
import com.chilkatsoft.chilkat2.StringBuilder;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        Imap imapSrc = new Imap();

        // Connect to our source IMAP server.
        try {
            imapSrc.connect("imap.example.com");

            // Login to the source IMAP server
            imapSrc.login("admin@chilkatsoft.com", "myPassword");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        Imap imapDest = new Imap();

        // Connect to our destination IMAP server.
        try {
            imapDest.connect("mail.example-code.com");

            // Login to the destination IMAP server
            imapDest.login("myLogin", "myPassword");

            // Select an IMAP mailbox on the source IMAP server
            imapSrc.selectMailbox("Inbox");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            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.getNumMessages());

        // 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
        StringBuilder sbMime = new StringBuilder();
        for (int seqNum = 1; seqNum <= 10; seqNum++) {
            sbMime.clear();
            try {
                imapSrc.fetchSingleAsMimeSb(seqNum, false, sbMime);

                imapDest.appendMimeWithFlagsSb("Inbox", sbMime, false, false, false, false);
            } catch (ChilkatException e) {
                System.out.println(e.getLastErrorText());
                return;
            }
        }

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