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Java Requires Chilkat v11.0.0+

Delete Email Individually (One at a time) from an IMAP Mailbox

Downloads email from an IMAP mailbox and deletes emails individually (one by one).

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Chilkat2 Java
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Email;
import com.chilkatsoft.chilkat2.EmailBundle;
import com.chilkatsoft.chilkat2.Imap;
import com.chilkatsoft.chilkat2.MessageSet;

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("imap.example.com");

            // Login
            imap.login("myLogin", "myPassword");

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

        // We can choose to fetch UIDs or sequence numbers.
        boolean fetchUids = true;

        // Get the message IDs of all the emails in the mailbox
        MessageSet messageSet = new MessageSet();
        try {
            imap.queryMbx("ALL", fetchUids, messageSet);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Fetch the emails into a bundle object:
        EmailBundle bundle = new EmailBundle();
        boolean headersOnly = false;
        try {
            imap.fetchMsgSet(headersOnly, messageSet, bundle);

            // To mark a complete set of emails for deletion, call SetFlags:
            imap.setFlags(messageSet, "Deleted", 1);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Messages can also be marked for deletion individually:
        // Loop over the bundle and mark each message for deletion.
        Email email = new Email();
        int i = 0;
        int numEmails = bundle.getMessageCount();
        while (i < numEmails) {
            bundle.emailAt(i, email);

            System.out.println(email.getFrom());
            System.out.println(email.getSubject());

            // To delete this email, set the "Deleted" flag to 1.
            // The email is not actually deleted until Expunge or
            // ExpungeAndClose is called.
            try {
                imap.setMailFlag(email, "Deleted", 1);
            } catch (ChilkatException e) {
                System.out.println(e.getLastErrorText());
                return;
            }

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

            i = i + 1;
        }

        try {
            imap.expungeAndClose();
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

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