User-agent: *
Crawl-delay: 2
Disallow: /tools/subscription
Allow: /tools/subscription*?username=
Disallow: /tools/subscription*?username=*&
Allow: /tools/subscription*?username=*&email=&
Noindex: /tools/subscription*?username=*&
Disallow: /*email=
Allow: /*email=&
Noindex: /*email=
Disallow: /email
Allow: /email
Noindex: /email