User-agent: Yandex
Disallow: /

User-agent: *
Disallow:
Crawl-Delay: 1

User-agent: Googlebot
Disallow:
Crawl-Delay: 1

User-agent: Slurp
Disallow:
Crawl-Delay: 1

User-agent: Yahoo! Slurp
Disallow:
Crawl-Delay: 1

User-agent: MSNBot
Disallow:
Crawl-Delay: 1

User-agent: Mail.Ru
Disallow:
Crawl-Delay: 1

User-agent: StackRambler
Disallow:
Crawl-Delay: 1