consultOz
Posts: 907
Joined: 11.Mar.2005
From: Virginia, USA
Status: offline
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Shahid,
First of all write down all those Ip addresses,
make a right click on the ESM, where you see these IP addresses and click terminate, than follow the Artickle, below.
you will configure connection filtering,
Here what you need to do
Create a connection filter
To create a connection filter in Exchange 2003, follow these steps:
1. Start Exchange System Manager.
2. Expand Global Settings, right-click Message Delivery, and then click Properties.
3. Click the Connection Filtering tab.
4. To create a connection filter rule, click Add.
5. In the Display Name box, type a name for the connection filter.
6. In the DNS Suffix of Provider box, type the DNS suffix that the provider appends to the IP address.
7. In the Custom Error Message to Return box, type a custom error message to return to the sender.
Leave this field blank if you want to use the default error message. The default error message is:
IP address has been blocked by Rule name of the connection filter
You can generate a custom message by using the following variables:
ò %0: IP address of the sending mail server
ò %1: Rule name of the connection filter
ò %2: The RBL provider
For example, if you type The IP address %0 was rejected by the Realtime Block List provider %2. in the Custom Error Message to Return box, the following custom error message is generated:
The IP address IP address was rejected by the Realtime Block List provider RBL provider.
8. To configure the return status codes that are received from the RBL provider that you want to match in this connection filter, click Return Status Code, and then do one of the following:
ò Click Match Filter Rule to Any Return Code to set the default value that matches the connection filter to any return status.
ò Click Match Filter Rule to the Following Mask, and then type the bit mask that you want to filter against. Base the bit mask on the bit masks that your providers use.
Note A bit mask only checks against a single value. If you set a bit mask value that is returned when an IP address appears on two lists, the bit mask only matches IP addresses that match both settings.
ò Click Match Filter Rule to Any of the Following Responses, and then type the return codes that you want to filter with.
When you are finished configuring the items in the Return Status Code dialog box, click OK.
9. Click OK two times.
10. When you receive the following message, click OK:
Connection, Recipient, and Sender Filtering must be manually enabled on specific SMTP virtual server IP address assignments as they are not enabled by default. For more information on how to enable any of the above filtering types, read their associated help
====================================
http://support.microsoft.com/default.aspx?scid=kb;en-us;823866
oz
[ August 09, 2005, 11:33 AM: Message edited by: oz ]
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Limited time MSExchange.org offer! -- 1.Sep.2008 1:00:00 PM
Unknow IP Addresses in default SMTP Virtual - 
RE: Unknow IP Addresses in default SMTP Virtual - 
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