src/Archangel.php
public function setReplyTo($address, $title = '')
    {
        $this->headers['Reply-To'] = $this->formatEmailAddress($address, $title);

        return $this;
    }
public function setReplyTo($address, $title = '')
    {
        $this->headers['Reply-To'] = $this->formatEmailAddress($address, $title);

        return $this;
    }
public function setReplyTo ( $ address , $ title = '' ) { $ this -> headers [ 'Reply-To' ] = $ this -> formatEmailAddress ( $ address , $ title ) ; return $ this ; }
Setter method for setting the single 'reply-to' field

@param string $address email address for the reply-to
@param string $title   name of the reply-to (optional)

@return object instantiated $this
Setter method for setting the single reply - to field