How'd you address it? Wonderin' if it'd be better to address them to different people so it feels obligated to open 'em and read.

[ coming full circle and making the oocly mislabelled mail relevant..... ]

If it's obvious from a glance at the envelope that it's intended for it specifically, it might just start ignoring those if it gets annoyed. If they're addressed to someone else, it makes it that much more of a chore for it to go through every legitimate letter and censor it. Might make it get sloppier too.