Block Incoming Emails

Hello,
I have a solaris 10 machine running Sun Java(tm) System Messaging Server 6.3-8.01 . I'm using this server only to send email , not to receive. I have another server for Incoming emails.
I Want to block incoming emails from outside domains on the SMTP out server, thus I added "tcp_local|*|tcp_intranet|* $N$D30|you$ are$ not$ allowed" under "ORIG_SEND_ACCESS" mapping table, then restarted messaging service.
This rule did not work for unknown reasons, I can keep sending emails from outside IPs or domains to inside users using the SMTP out server.
Note that there's a similar rule to stop relaying tcp_local - tcp_local and it is working perfectly.
Any help is appreciated.

stamford wrote:
the rule I added is :
tcp_local|*|tcp_intranet|* $N$D30|Relaying$ not$ allowedIf you have defined the IP address range(s) of your internal domain(s) in the INTERNAL_IP mapping table you can use the following rule to block "external" traffic:
ORIG_SEND_ACCESS
    tcp_local|*|*|*      $N$D30|External$ Unauthenticated$ Email$ BlockedAfter making the modification run "./imsimta cnbuild;./imsimta restart"
Regards,
Shane.

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