<?php defined('BASEPATH') OR exit('No direct script access allowed.');
$config['useragent'] = 'PHPMailer'; // Mail engine switcher: 'CodeIgniter' or 'PHPMailer'
$config['protocol'] = 'smtp'; // 'mail', 'sendmail', or 'smtp'
$config['mailpath'] = '/usr/sbin/sendmail';
$config['smtp_host'] = 'smtp.gmail.com';
$config['smtp_user'] = '[email protected]';
$config['smtp_pass'] = 'lwkohnffvnfdassa';
$config['smtp_port'] = 587;
$config['smtp_timeout'] = 30; // (in seconds)
$config['smtp_crypto'] = 'STARTTLS'; // '' or 'tls' or 'ssl'
$config['smtp_debug'] = 0; // PHPMailer's SMTP debug info level: 0 = off, 1 = commands, 2 = commands and data, 3 = as 2 plus connection status, 4 = low level data output.
$config['debug_output'] = ''; // PHPMailer's SMTP debug output: 'html', 'echo', 'error_log' or user defined function with parameter $str and $level. NULL or '' means 'echo' on CLI, 'html' otherwise.
$config['smtp_auto_tls'] = true; // Whether to enable TLS encryption automatically if a server supports it, even if `smtp_crypto` is not set to 'tls'.
$config['smtp_conn_options'] = array(); // SMTP connection options, an array passed to the function stream_context_create() when connecting via SMTP.
$config['wordwrap'] = true;
$config['wrapchars'] = 76;
$config['mailtype'] = 'html'; // 'text' or 'html'
$config['charset'] = null; // 'UTF-8', 'ISO-8859-15', ...; NULL (preferable) means config_item('charset'), i.e. the character set of the site.
$config['validate'] = true;
$config['priority'] = 3; // 1, 2, 3, 4, 5; on PHPMailer useragent NULL is a possible option, it means that X-priority header is not set at all, see https://github.com/PHPMailer/PHPMailer/issues/449
$config['crlf'] = "\n"; // "\r\n" or "\n" or "\r"
$config['newline'] = "\n"; // "\r\n" or "\n" or "\r"
$config['bcc_batch_mode'] = false;
$config['bcc_batch_size'] = 200;
$config['encoding'] = '8bit'; // The body encoding. For CodeIgniter: '8bit' or '7bit'. For PHPMailer: '8bit', '7bit', 'binary', 'base64', or 'quoted-printable'.
// DKIM Signing
// See https://yomotherboard.com/how-to-setup-email-server-dkim-keys/
// See http://stackoverflow.com/questions/24463425/send-mail-in-phpmailer-using-dkim-keys
// See https://github.com/PHPMailer/PHPMailer/blob/v5.2.14/test/phpmailerTest.php#L1708
$config['dkim_domain'] = ''; // DKIM signing domain name, for exmple 'example.com'.
$config['dkim_private'] = ''; // DKIM private key, set as a file path.
$config['dkim_private_string'] = ''; // DKIM private key, set directly from a string.
$config['dkim_selector'] = ''; // DKIM selector.
$config['dkim_passphrase'] = ''; // DKIM passphrase, used if your key is encrypted.
$config['dkim_identity'] = ''; // DKIM Identity, usually the email address used as the source of the email.
Code
public function index(){
$this->load->library('email');
$this->email->from('[email protected]@gmail.com', 'Your Name');
$this->email->to('[email protected]');
$this->email->subject('This is my subject');
$this->email->message('This is my message');
$this->email->send();
$this->load->view('welcome_message');
}