[Dbmail] dbmail-lmtpd disk space ...

[Alan Glait]

I was checking my server ... so I saw /var at 92% ....
I restart dbmail-lmtpd ... and it free to 20% ...
How I can to prevent this ?? I have /usr/local/sbin/dbmail-util -cturpd 
-l 24h -qq in my crontab at 3AM ...

thanx for any help !