[CentOS] How to set up maxium masseage size per user basic

Hi All,

I am runnig sendmail 8.13.8 with MailScanner-4.58.9-1 on CentOS 5. I want to
setup a rule which filters message sizes.

Below is the situation.

I have  20 users. They currently have full freedom to send and recive mails.
No message size checking is done.

Now I want to limit message size per user basic.

Let's say that
                  5 users can only send  mails up to 7 MB and they can
recieve up to  5 MB.
                 10 users can only send  mails up to 10 MB and they can
recieve up to  7 MB.
                 and the remaining 5 users can only send  mails up to 2MB
and they can  recieve up to  3 MB

How to set a rule like this.

In Mailscanner, There is a file called max.message.size.rules

It is given below. I wrote a rule. But it still does not work.
pls see below

[root at mailgw rules]# cat max.message.size.rules

To:       userx at example.com     5M
To:       *@example.com         3M
From:     userx at example.com     7M
From:     *@example.com         2M


# FromOrTo: default           0



Could you pls let me know where I have gone wrong?


-- 
Thank you
Indunil Jayasooriya
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