McAfee Security for Microsoft Exchange 8.5 has an
IP Reputation feature that allows you to block mail from untrusted IP addresses.
Use the following steps to allow
trusted IP addresses that the Security for Microsoft Exchange IP Reputation Agent has detected and blocked.
IMPORTANT:
- The IP addresses you add is not checked for reputation.
- Before you allow an IP address, verify the reputation score of the IP address at: http://www.trustedsource.org/.
- McAfee can't be held liable for any mailboxes that are infected due to allowed IP addresses.
Prerequisites:
- Click Start, Run, type regedit and then click OK.
- Navigate to the following key:
HKEY_LOCAL_MACHINE\Software\Wow6432Node\McAfee\MSME\SystemState
- Under SystemState, create a string value named IPWhiteList.
- Double-click IPWhiteList and add the trusted IP addresses, separated by a semicolon (;).
NOTE: Use the following information to guide you when adding IP addresses:
Take care when you add IP addresses to make sure that you allow the correct addresses. You can allow individual IP addresses, or you can allow a range of addresses using the asterisk. The following lists show supported and unsupported examples of how to specify IP addresses:
Supported examples:
NOTE: MSME accepts only asterisks(*) as the wildcard character.
- 172.16.221.* - Security for Microsoft Exchange does not calculate the IP reputation if the mail originates from IP addresses 172.16.221.xxx.
- 10.* - Security for Microsoft Exchange does not calculate the score for mails originating from 10.xxx.xxx.xxx.
- 192.168.10.1;172.16.228.* - Security for Microsoft Exchange does not calculate the score for mails from 192.168.10.1 and 172.16.228.xxx IP addresses.
Unsupported examples:
NOTE: In cases where the Exchange IP filtering agent is also installed and configured, you can still allow IPs under Security for Microsoft Exchange as explained in the procedure above.
- 172.16.*.10 / 172.16.*2.* / - Do not include any digits after the asterisk.
- 172.16.221.1-172.16.221.255 - A range value is not supported.
