Codeigniter Send Email Example (Gmail Example)

email.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

$config['useragent'] = 'CodeIgniter';
$config['protocol'] = 'smtp';
$config['mailpath'] = '/usr/sbin/sendmail';
$config['smtp_crypto'] = 'ssl';
$config['smtp_host'] = 'smtp.gmail.com';
$config['smtp_user'] = '[email protected]';
$config['smtp_pass'] = 'youremailpassword';
$config['smtp_port'] = 465; 
$config['smtp_timeout'] = 5;
$config['smtp_keepalive'] = FALSE;
$config['wordwrap'] = TRUE;
$config['wrapchars'] = 80;
$config['mailtype'] = 'html';
$config['charset'] = 'utf-8';
$config['validate'] = FALSE;
$config['priority'] = 3;
$config['crlf'] = "\r\n";
$config['newline'] = "\r\n";
$config['bcc_batch_mode'] = FALSE;
$config['bcc_batch_size'] = 200;
$config['dsn'] = FALSE;

$config['sender_name'] = 'Your Cool Sender Name';
$config['reply_to'] = '[email protected]';

/* End of file email.php */
/* Location: ./application/config/email.php */

MY_Controller.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class MY_Controller extends CI_Controller {

	public function _send_mail($to,$subjet,$message,$cc=null)
	{
		$this->load->library('email');
		$this->email->from(config_item('smtp_user'), config_item('sender_name'));
		$this->email->to($to);
		if ($cc !== null) $this->email->cc($cc);
		$this->email->reply_to(config_item('reply_to'));
		$this->email->set_alt_message('You need to HTML supported web browser or email client to display this email');
		$this->email->subject($subject);
		$this->email->message($message);

		if ($this->email->send(FALSE)) return true;
		else { return $this->email->print_debugger(); $this->email->clear(TRUE); }
	}

}

/* End of file MY_Controller.php */
/* Location: ./application/core/MY_Controller.php */

Myawesomecontroller.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Myawesomecontroller extends MY_Controller {
  
  public function index() {
    $html_message = '<h1>Hello</h1>';
    $is_sended = $this->_send_mail('[email protected]','Email Test', $message, '[email protected]');
    if ($is_sended !== TRUE) die($is_sended);
  }
  
}

/* End of file Myawesomecontroller.php */
/* Location: ./application/controllers/Myawesomecontroller.php */