http://codeigniter.com/user_guide/libraries/email.html
/application/config/email.php$config = array(
'protocol' => 'smtp',
'smtp_host' => 'ssl://smtp.googlemail.com',
'smpt_port' => 465,
'smtp_user' => 'user',
'smtp_pass' => 'pass'
);
$this→load→library('email',$config);$this→email→set_newline(«\r\n»);$this→email→from('email','nombre');$this→email→to('email');$this→email→cc('email');$this→email→bcc('email');$this→email→subject('asunto');$this→email→message('mensaje');$this→email→send(); ← devuelve TRUE o FALSEshow_error($this→email→print_debugger()); ← aplicable a otras librerias??$this→email→attach('/home/user/web/file');/application/config/config.php$config['server_root'] = $_SERVER['DOCUMENT_ROOT']; ← da la ruta física a nuestro server (para inclusión de archivos)$this→config→item('server_root');