An Error Was Encountered

220 smtp.googlemail.com ESMTP x66sm53059629pfb.86 - gsmtp

hello: 250-smtp.googlemail.com at your service, [203.177.142.78]
250-SIZE 35882577
250-8BITMIME
250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8

Failed to authenticate password. Error: 534-5.7.14 Please log in via your web browser and 534-5.7.14 then try again. 534-5.7.14 Learn more at 534 5.7.14 https://support.google.com/mail/answer/78754 x66sm53059629pfb.86 - gsmtp
Unable to send email using PHP SMTP. Your server might not be configured to send mail using this method.

User-Agent: CodeIgniter
Date: Tue, 30 Aug 2016 07:21:37 +0200
From: "juan dela cruz" <sampleticketdaddress@gmail.com>
Return-Path: <sampleticketdaddress@gmail.com>
To: sampleticketdaddress@gmail.com
Subject: =?UTF-8?Q?Email=20Testing?=
Reply-To: <sampleticketdaddress@gmail.com>
X-Sender: sampleticketdaddress@gmail.com
X-Mailer: CodeIgniter
X-Priority: 3 (Normal)
Message-ID: <57c517e10e70b@gmail.com>
Mime-Version: 1.0


Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Email is working great.

function index(){
        $config = Array(
            'protocol' =>'smtp',
            'smtp_host' => 'ssl://smtp.googlemail.com',
            'smtp_port' => 465,
            'smtp_user' => 'sampleticketdaddress@gmail.com',
            'smtp_pass' => 'xxxxxx'
            );

        $this->load->library('email', $config);
        $this->email->set_newline("rn");

        $this->email->from('sampleticketdaddress@gmail.com', 'some name');
        $this->email->to('sampleticketdaddress@gmail.com');
        $this->email->subject("Email Testing");
        $this->email->message('Email is working great.');

        if($this->email->send())
        {
            echo "Email has been sent.";
        }
        else
        {
            show_error($this->email->print_debugger());
        }
    }
}