Java

Office365 POP3 Login with OAuth2 Authentication

See more Office365 Examples

Demonstrates how to authenticate using OAuth2 using the POP3 protocol with outlook.office365.com.

Note: This example requires Chilkat v9.5.0.83 or greater.

Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.JsonObject;
import com.chilkatsoft.chilkat2.MailMan;

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.

        MailMan mailman = new MailMan();

        mailman.setMailHost("outlook.office365.com");
        mailman.setMailPort(995);
        mailman.setPopSsl(true);

        // Use your O365 email address here.
        mailman.setPopUsername("OFFICE365_EMAIL_ADDRESS");

        // When using OAuth2 authentication, leave the password empty.
        mailman.setPopPassword("");

        // Load our previously obtained OAuth2 access token.
        JsonObject jsonToken = new JsonObject();
        try {
            jsonToken.loadFile("qa_data/tokens/office365.json");

            mailman.setOAuth2AccessToken(jsonToken.stringOf("access_token"));

            // Make the TLS connection to the outlook.office365.com POP3 server.
            mailman.pop3Connect();

            // Authenticate using XOAUTH2
            mailman.pop3Authenticate();
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Find out how many emails are on the server..
        int numEmails = mailman.checkMail();
        if (numEmails < 0) {
            System.out.println(mailman.getLastErrorText());
            return;
        }

        // Examine the POP3 session log:
        System.out.println(mailman.getPop3SessionLog());

        // The POP3 session log will look something like this:

        // **** Connected to outlook.office365.com:995
        // < +OK The Microsoft Exchange POP3 service is ready. [QwBIADIAUABSADEAOABD...YwBvAG0A]
        // > AUTH XOAUTH2
        // < +
        // > <base64 string in XOAUTH2 format>
        // < +OK User successfully authenticated.
        // > STAT
        // < +OK 3 375302

        // End the POP3 session and close the connection to the GMail server.
        try {
            mailman.pop3EndSession();
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println("Finished.");
    }
}