Log watch & Cron daemon

Hello, since the beginning everyday i keep getting the emails for the Log watch and cron daemon for my servers, but is over a week now and one of my servers stopped sending me the logs & crondaemon emails? how can i set it to send me the logs everyday again? i didnt do anythign why did it stop sending me the log files has my box been hacked?

thanks in advance

 

 

 

 

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