Or just incompetence, I had to lobby to get .org unblocked for mail at some CS faculty of a (not my) university, 20 years ago.
Or just incompetence, I had to lobby to get .org unblocked for mail at some CS faculty of a (not my) university, 20 years ago.
Usually not, just look at for example SpamHaus's top abusive TLDs. New TLDs dominate.