$config = Array(
    'protocol' => 'smtp',
    'smtp_host' => 'ssl://smtp.googlemail.com',
    'smtp_port' => 465,
    'smtp_user' => 'adityatekale07@gmail.com',
    'smtp_pass' => 'aadeev077',
    'mailtype'  => 'html',
    'charset'   => 'iso-8859-1'
);


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


            sendgrid key="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"

            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