When you remove content because you think the recipient doesn't want to see it, that's moderation. When you remove content because you think the recipient shou

When you remove content because you think the recipient doesn't want to see it, that's moderation. When you remove content because you think the recipient shouldn't see it, regardless of what they might want, that's censorship. Whether it's a good idea to use T1-ISPs to moderate your inbox is another question.