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Disallow: /wp-admin/
Disallow: /wp-login.php

User-agent: msnbot 
Disallow: /*.jpg$ 
Disallow: /*.jpeg$ 
Disallow: /*.gif$ 
Disallow: /*.png$

User-agent: jetsli
Disallow: /

User-agent: backlink-check.de
Disallow: /