Exchange 5.5 lack of space

Hello,

My hard drive is low in hard disk space. I noticed that my Exchange Server “eats” 10-20MB per day… Is it normal or something wrong is going on…? I had a terrible experience with Archiving last year… and disabled it…

I was wondering whether there are any other options that I could safely disable in order to preserve my hard disk space. Do you know where any temporary/failed messages are stored that I could delete them or even stop the mail server from storing them on the server?

Thanks in advance.