[CentOS] Limit max number of e-mails sent per hour

Tue May 22 13:10:37 UTC 2012
Nikos Gatsis - Qbit <ngatsis at qbit.gr>

Hello list
I use sendmail-8.14.4-8.el6.x86_64 and I wonder how to restrict the 
number of emails sendmail sent over an hour.
Is the define(`confMAX_QUEUE_RUN_SIZE', `200') command what I'm looking for?
Thank you in advance.
Nikos