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Java Requires Chilkat v11.0.0+

Read POP3 Mail Headers

Reads the header for each email in a POP3 mailbox and display the FROM and SUBJECT header fields.

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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.MailMan;

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.

        // The mailman object is used for receiving (POP3)
        // and sending (SMTP) email.
        MailMan mailman = new MailMan();

        // Set the POP3 server's hostname
        mailman.setMailHost("pop.example.com");

        // Set the POP3 login/password.
        mailman.setPopUsername("****");
        mailman.setPopPassword("****");

        // Read mail headers and one line of the body.
        EmailBundle bundle = new EmailBundle();
        boolean keepOnServer = true;
        boolean headersOnly = true;
        int numBodyLines = 1;
        try {
            mailman.fetchAll(keepOnServer, headersOnly, numBodyLines, bundle);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        Email email = new Email();
        int i = 0;
        while (i < bundle.getMessageCount()) {
            bundle.emailAt(i, email);

            // Display the From email address and the subject.
            System.out.println("From: " + email.getFrom());
            System.out.println("Subject: " + email.getSubject());

            i = i + 1;
        }
    }
}