Java Requires Chilkat v11.0.0+

List Email UIDs

List the UIDs of each email in a mailbox. Chilkat2 Java

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

public class ChilkatExample {

    public static void main(String[] args) {
        Imap imap = new Imap();

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

        // Connect to an IMAP server.
        // Use TLS
        imap.setSsl(true);
        imap.setPort(993);
        try {
            imap.connect("MY-IMAP-DOMAIN");

            // Login
            imap.login("MY-IMAP-LOGIN", "MY-IMAP-PASSWORD");

            // Select an IMAP mailbox
            imap.selectMailbox("Inbox");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Get the message IDs of all the emails in the mailbox
        // We can choose to fetch UIDs or sequence numbers.
        boolean fetchUids = true;
        MessageSet messageSet = new MessageSet();
        try {
            imap.queryMbx("ALL", fetchUids, messageSet);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        int i = 0;
        int n = messageSet.getCount();
        while (i < n) {
            System.out.println(messageSet.getId(i));
            i = i + 1;
        }

        // Disconnect from the IMAP server.
        imap.disconnect();
    }
}