public function from()
    {
        if ($this->from === null) {
            $this->setFrom($this->config()->defaultFrom());
        }

        return $this->from;
    }
public function from()
    {
        if ($this->from === null) {
            $this->setFrom($this->config()->defaultFrom());
        }

        return $this->from;
    }
public function from ( ) { if ( $ this -> from === null ) { $ this -> setFrom ( $ this -> config ( ) -> defaultFrom ( ) ) ; } return $ this -> from ; }
Get the sender's email address.

@return string
Get the sender s email address .