User-Agent: *
User-agent: Yandex
Crawl-delay: 15
User-agent: yandex
Crawl-delay: 15
User-agent: YANDEX
Crawl-delay: 15

User-agent: mailru
Crawl-delay: 15
User-agent: Mailru
Crawl-delay: 15
User-agent: MAILRU
Crawl-delay: 15

Disallow: /cgi-bin/