# CodeIgniter

CodeIgniter comes with an email sending library built in. See more information on how to [use CodeIgniter with SendGrid](https://www.codeigniter.com/user_guide/libraries/email.html#using-the-email-library).

> \[!NOTE]
>
> It is important to use the correct end of lines using "crlf" => "\r\n" and "newline" => "\r\n".

```php
<?php
$this->load->library('email');

$this->email->initialize(array(
  'protocol' => 'smtp',
  'smtp_host' => 'smtp.sendgrid.net',
  'smtp_user' => 'apikey',
  'smtp_pass' => 'sendgridapikey',
  'smtp_port' => 587,
  'crlf' => "\r\n",
  'newline' => "\r\n"
));

$this->email->from('your@example.com', 'Your Name');
$this->email->to('someoneexampexample@example.com');
$this->email->cc('another@another-example.com');
$this->email->bcc('them@their-example.com');
$this->email->subject('Email Test');
$this->email->message('Testing the email class.');
$this->email->send();

echo $this->email->print_debugger();
?>
```