Java Requires Chilkat v11.0.0+

Fetch Oldest/Newest IMAP Email

Emails may be downloaded by sequence number. Assuming the selected mailbox is not empty, the oldest email is at sequence number 1, and the newest email is at sequence number N. The FetchSingle method may be used to download by sequence number. Chilkat2 Java

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

public class ChilkatExample {

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

        Imap imap = new Imap();

        // Connect to an IMAP server.
        // Use TLS
        imap.setSsl(true);
        imap.setPort(993);
        try {
            imap.connect("mail.testemail.net");

            // Login
            imap.login("***", "***");

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

        // After selecting a mailbox, the NumMessages property
        // contains the number of emails in the selected mailbox.
        int n = imap.getNumMessages();

        if (n > 0) {
            // The oldest email is always at sequence number 1.
            boolean isUid = false;

            Email oldestEmail = new Email();
            try {
                imap.fetchEmail(false, 1, isUid, oldestEmail);
            } catch (ChilkatException e) {
                System.out.println(e.getLastErrorText());
                return;
            }

            // Display the From and Subject
            System.out.println(oldestEmail.getFromAddress());
            System.out.println(oldestEmail.getSubject());

            System.out.println("--");

            // The newest email is at sequence number N:
            Email newestEmail = new Email();
            try {
                imap.fetchEmail(false, n, isUid, newestEmail);
            } catch (ChilkatException e) {
                System.out.println(e.getLastErrorText());
                return;
            }

            // Display the From and Subject
            System.out.println(newestEmail.getFromAddress());
            System.out.println(newestEmail.getSubject());
        }

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