RE: How to Disallow a Particular User From Sending Mails to External Domain

  • From: "Manjeet Singh" <Manjeet.Singh@xxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Mon, 21 Mar 2005 22:55:58 -0800

When two months back, we were restricting some users in my organization,
then I found this using Google. So I suddenly remembered this setting
and mailed it to you.

 

Thanks,

Manjeet

 

________________________________

From: Praveen Ramaswamy [mailto:ramaswamy_praveen@xxxxxxxxx] 
Sent: Tuesday, March 22, 2005 12:20 PM
To: [ExchangeList]
Subject: [exchangelist] RE: How to Disallow a Particular User From
Sending Mails to External Domain

 

http://www.MSExchange.org/ 

Hi Manjeet,

 

It works now. great! Also we have to set the CheckConnectorRestrictions
value to 1 if it is 0 again it wont check for the ristrictions. 

 

Did microsoft forgot this to add or is this one more security benifits
from Microsoft :) . How do you know this?? 

 

regards

Praveen R

 



Manjeet Singh <Manjeet.Singh@xxxxxxxxxxx> wrote:

        http://www.MSExchange.org/

        Hi Praveen,

         

        By default the SMTP virtual server Message Categorizer will not
check the delivery restrictions list unless specifically configured to
do in the exchange server registry.

        On Each exchange server that host an SMTP bridgehead, you must
create a REG_DWARD registry value called CheckConnectorRestrictions in
the below key.

         

        HKLM\System\CurrentControlSet\Services\Resvc\Parameters.

         

         

        Once you have set this key, restart the SMTP and Exchange
routing engine for the change to take effect. Once this is done the
unauthorized users will get an NDR, when they send an internet message
through that connector.

         

         

        Thanks,

        Manjeet

         

        
________________________________


        From: Praveen Ramaswamy [mailto:ramaswamy_praveen@xxxxxxxxx] 
        Sent: Tuesday, March 22, 2005 11:23 AM
        To: [ExchangeList]
        Subject: [exchangelist] RE: How to Disallow a Particular User
From Sending Mails to External Domain

         

        http://www.MSExchange.org/ 

        Restarted SMTP service but no luck! 

         

        Regards

        Praveen R
        
        "Deshwal, Chand" <CDD@xxxxxxxxxxxxx> wrote:

                http://www.MSExchange.org/

                Restart SMTP service. MS does not mention it, but it is
required.

                 

                Chand

                 

                
________________________________


                From: Praveen Ramaswamy
[mailto:ramaswamy_praveen@xxxxxxxxx] 
                Sent: Tuesday, March 22, 2005 10:45 AM
                To: [ExchangeList]
                Subject: [exchangelist] RE: How to Disallow a Particular
User From Sending Mails to External Domain

                http://www.MSExchange.org/ 

                For some reason the below said solution is not working
for me. I added my id to "reject from" but i can still send mails to
outside world. Is there anything else is missing??

                 

                Regards

                Praveen R
                
                Manjeet Singh <Manjeet.Singh@xxxxxxxxxxx> wrote:

        http://www.MSExchange.org/
        
        
        
        One way to do this is go to your SMTP connector which is sending
mail to
        outside world (either using dns or host record).
        
        Open it properties > and then move to delivery restriction tab.
        
        Add the address (for which u want to put the restriction) in
reject
        message from.
        
        Now the user would not be able to send mails to outside world.
And
        internal mail flow will continue using other connector.
        
        
        Thanks,
        Manjeet
        
        use to listadmin@xxxxxxxxxxxxxx

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