3 days ago i did this very thing. when the oppressive govt banned internet, i had to talk to someone outside india and then i dictated them some text. reddit keeps ip logs for 100 days so i had a dormant account for over a year. i asked the guy to log in, type that message and post.

that way the govt can demand from reddit that account ip but since the only ip available is from outside india, they cant do shit.

i was ready to dictate base64 image character by character but the internet blockade remained for only 2 days so yeah. there are plenty of ways