User-agent: * 
Disallow: /?feed=rss2
Disallow: /wp-login.php?action=register
Disallow: /wp-login.php?action=lostpassword
Disallow: /feed/
Disallow: /comments/feed/
Disallow: /wp-login.php
Disallow: /blog/
Disallow: /send-mail/

User-Agent: Googlebot
Disallow: /?feed=rss2
Disallow: /wp-login.php?action=register
Disallow: /wp-login.php?action=lostpassword
Disallow: /feed/
Disallow: /comments/feed/
Disallow: /wp-login.php
Disallow: /blog/
Disallow: /send-mail/