I am less concerned about spam management than I am of phishing sites and the like. Email from bogus tlds is of little concern because it will hit the spam buc

I am less concerned about spam management than I am of phishing sites and the like. Email from bogus tlds is of little concern because it will hit the spam bucket just like everything else, but if you do a DNS lookup on one of these joke tlds you can expect a high probability of having the request filtered.