I keep getting this re occurring error can anyone tell me ,how to get rid of this

Nov 26 17:04:02 dragon sendmail[31575]: gAQM42AN032413: forward /home/mailman/.forward: World writable directory

Nov 26 17:05:02 dragon sendmail[9465]: gAQM52AN007811: forward /home/mailman/.forward.dragon: World writable directory

thanks

Jaskaran Singh

University Systems & Security

Fairleigh Dickinson University

Teaneck, NJ 07666