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In using the DNScog tool our mail server blocks incoming ip's that do not resolve to hostnames. I find it ironic that the ip or ip's used by this service which I know is beta do not have reverse dns which fails as a result on the mail server tests. Here is one of the ip's i grabbed from my mail server log the did not resolve and was used by the DNScog service. This prevented the service from completing the mail tests and giving a false failing grade on my mail server. 216.146.46.136 - DNScog service ip. Regards |
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