User-agent: Titan
Disallow: /

User-agent: EmailCollector
Disallow: /

User-agent: EmailSiphon
Disallow: /

User-agent: EmailWolf
Disallow: /

User-agent: ExtractorPro
Disallow: / 
Allow: /

User-Agent: Googlebot
Allow: /

User-Agent: Googlebot-Mobile
Allow: /