Java

Office365 Send Email from Shared Mailbox

See more Office365 Examples

Demonstrates how to send email from a shared mailbox, from smtp.office365.com using OAuth2 authentication. Chilkat2 Java

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

        // An Office365 OAuth2 access token must first be obtained prior
        // to running this code.

        // Getting the OAuth2 access token for the 1st time requires the O365 account owner's
        // interactive authorizaition via a web browser.  Afterwards, the access token
        // can be repeatedly refreshed automatically.

        // See the following examples for getting and refreshing an OAuth2 access token

        // Get Office365 SMTP/IMAP/POP3 OAuth2 Access Token
        // Refresh Office365 SMTP/IMAP/POP3 OAuth2 Access Token

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

        MailMan mailman = new MailMan();

        mailman.setSmtpHost("smtp.office365.com");
        mailman.setSmtpPort(587);
        mailman.setStartTLS(true);

        // In case of shared mailbox access using OAuth, the application needs to obtain the access token on behalf of a user
        // but replace the SMTP username with the email address of the shared mailbox.

        // Login using the shared mailbox email address for the username, and the access token for the password.
        // See Office 365 SASL XOAUTH2 format

        // Use your Office365 email address for the SmtpUsername.
        mailman.setSmtpUsername("SHARED_MAILBOX_EMAIL_ADDRESS");
        mailman.setOAuth2AccessToken(jsonToken.stringOf("access_token"));

        // Create a new email object
        Email email = new Email();

        email.setSubject("This is a test");
        email.setBody("This is a test");
        email.setFrom("MY_NAME <SHARED_MAILBOX_EMAIL_ADDRESS>");
        email.addTo("John Doe", "somebody@example.com");

        // Call SendEmail to connect to the SMTP server and send.
        // The connection (i.e. session) to the SMTP server remains
        // open so that subsequent SendEmail calls may use the
        // same connection.
        try {
            mailman.sendEmail(email);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        try {
            mailman.closeSmtpConnection();
        } catch (ChilkatException e) {
            System.out.println("Connection to SMTP server not closed cleanly.");
        }

        System.out.println("Mail Sent!");
    }
}