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Edge Transport > Anti-Spam > IP Block List Properties > Blocked Addresses Tab

 

Applies to: Exchange Server 2007 SP3, Exchange Server 2007 SP2, Exchange Server 2007 SP1

Topic Last Modified: 2007-07-06

Use the Blocked Addresses tab on the IP Block List properties to manage a list of specific IP addresses for which e-mail messages are always blocked by the Connection Filter agent. If an originating IP address matches an IP address or IP address range on the IP Block list, the Connection Filter agent disconnects the Simple Mail Transfer Protocol (SMTP) session after all RCPT TO: headers in the message are processed.

Add

To add IP addresses to the IP Block addresses list, click Add, and then select one of the following :

  • IP Address   Add a specific IP address. For example, 197.86.11.0.1/24.
  • IP and Mask   Add an IP address and mask. For example, IP=192.168.0.1; and Mask=255.255.255.0.
  • IP Range   Add a range of IP addresses. For example, Start Address=192.168.0.1; End Address=192.168.0.254.
    noteNote:
    If Microsoft Exchange Server 2007 Service Pack 1 (SP1) is deployed on a computer that is running Windows Server 2008, you can enter IP addresses and IP address ranges in the Internet Protocol Version 4 (IPv4) format, Internet Protocol Version 6 (IPv6) format, or both formats. A default installation of Windows Server 2008 enables support for IPv4 and IPv6. For more information about Exchange 2007 SP1 support for IPv6 addresses, see IPv6 Support in Exchange 2007 SP1 and SP2.

For more information, see the following topic:

Remove

To remove an IP address, select an IP address from the Remote IP Address(es) list, and then click Remove icon.

Apply

To save your changes without closing the tab, click Apply.

For information on connection filtering and IP Block list functionality, see the following topics:

To ensure that you are reading the most up-to-date information and to find additional Exchange Server 2007 documentation, visit the Exchange Server TechCenter.
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