Function .cpanel/mailloopprotect ? Is it dangerous ? (Need Help)

Today i have found on my server in user directory it called .cpanel/mailloopprotect. When i checked inside directory i found :

Code:

drwx------ 2 4096 May 27 2012 98k128@163.com/
drwx------ 3 4096 May 21 2012 admin1@web-array.net/
drwx------ 3 May 17 2012 admin@afina.com.mx/
drwx------ 3 4096 May 27 2012 administrator@bennettwilliams.com/
drwx------ 3 4096 May 19 2012 administrator@ironport.armlink.com/
drwx------ 3 4096 May 19 2012 administrator@spcap.com/
drwx------ 2 4096 May 18 2012 adminsitrador@pae.cc/
drwx------ 3 4096 May 23 2012 admins@safe-mail.net/
drwx------ 3 4096 May 26 2012 alixconstant@acimuzik.com/
drwx------ 3 4096 May 11 2012 allcompanyonline1@yahoo.com/
drwx------ 3 4096 May 27 2012 andreas.c.fuersattel@bei-group.com/
drwx------ 3 4096 May 16 2012 antispam@servage.net/
drwx------ 3 4096 May 21 2012 aprillouis@ca.rr.com/
drwx------ 2 4096 May 27 2012 archie@binexline.com/
drwx------ 3 4096 May 19 2012 astrid@myngle.com/
drwx------ 3 4096 May 27 2012 autoshow@showings.com/
drwx------ 3 4096 May 26 2012 backyardlifestyles@avolve.net/
drwx------ 3 4096 May 23 2012 barry@magnecare.co.uk/
drwx------ 3 4096 May 27 2012 becky-harmon@comcast.net/
drwx------ 3 4096 May 27 2012 bill@fimc.ws/
drwx------ 3 4096 May 21 2012 bnmishra_04@rediffmail.com/
drwx------ 2 4096 May 26 2012 bounce@rediffmail.com/
drwx------ 3 4096 May 16 2012 brian@yourfinancingresource.com/
drwx------ 3 4096 May 21 2012 careers@crown.ac.nz/
drwx------ 3 4096 May 27 2012 charlie@gaetanirealestate.com/
rw-rr- 1 0 May 28 2012 cleanup_check
drwx------ 3 4096 May 26 2012 data@execulink.com/
drwx------ 3 4096 May 25 2012 diane@needamakeover.co.uk/
drwx------ 4 4096 May 11 2012 ekoelpe@yahoo.com/
drwx------ 3 4096 May 26 2012 e-offers@freelotto.com/
drwx------ 3 4096 May 17 2012 e-results@freelotto.com/
drwx------ 3 4096 May 27 2012 espeenair@rediffmail.com/
drwx------ 3 4096 May 22 2012 exchadmin@grupogondi.com/
drwx------ 3 4096 May 22 2012 fbailey282@aol.com/
drwx------ 3 4096 May 28 2012 frank@drawingonthepromises.com/
drwx------ 3 4096 May 17 2012 garcoventas@mexico.com/
drwx------ 3 4096 May 25 2012 gianlucat72@email.it/
drwx------ 3 4096 May 25 2012 gsnaidu@rediffmail.com/
drwx------ 3 4096 May 27 2012 hull@lwbrealtors.com/
drwx------ 3 4096 May 11 2012 ib@bankmandiri.co.id/

Is it dangerous for our server ??

Anyone can help me to solved this issue??