doAddTo(to, personal);
    }

    public void addCc(String cc) {
        doAddCc(cc);
    }

    public void addCc(String cc, String personal) {
        doAddCc(cc, personal);
    }

    public void addBcc(String bcc) {
        doAddBcc(bcc);
    }

    public void addBcc(String bcc, String personal) {
        doAddBcc(bcc, personal);
    }