How to login into an email using the Java Mail API.

LoginVerification.java

public boolean checkEmailCrendentails(String hostName, String email, String password) {
	    
	Properties props = new Properties();
	props.put("mail.smtp.auth", "true");
	props.put("mail.smtp.starttls.enable", "true");
	props.put("mail.smtp.host", hostName);
	props.put("mail.smtp.port", "25");

	Session session = Session.getInstance(props, new javax.mail.Authenticator() {
	    protected PasswordAuthentication getPasswordAuthentication() {
		return new PasswordAuthentication(email, password);
	    }
	});
	try {
    
	    Store store = session.getStore("pop3s");
	    store.connect(hostName, email, password); 
	    return store.isConnected();
	    
	} catch (NoSuchProviderException e) {
    
	    e.printStackTrace();
	    return false;
	} 
	catch (AuthenticationFailedException e) {
    
	    e.printStackTrace();
	    return false;
	    
	} catch (MessagingException e) {
    
	    e.printStackTrace();
	    return false;
	} 
	
}