User-agent: *
 Disallow: /cgi-bin/
 Disallow: /logs/
 Disallow: /public_html/images/
 Disallow: /public_html/stats/

User-agent: Titan 
 Disallow: /

User-agent: EmailCollector 
 Disallow: /

User-agent: EmailSiphon 
 Disallow: /

User-agent: EmailWolf 
 Disallow: /

User-agent: ExtractorPro 
 Disallow: /