White list based on host Received From

Is there a way to white list based on the IP using the Received from. We have whitelisted our local domain but have noticed some that spoof our domain. However the Received from tag is usually a different IP. Is it good practice to whitelist using IP? thanks Dean

RE: White list based on host Received From

Dean Clapper wrote: Is there a way to white list based on the IP using the Received from. We have whitelisted our local domain but have noticed some that spoof our domain. However the Received from tag is usually a different IP. Is it good practice to whitelist using IP? whitelist_from is