you probably want: http://ash.notearthday.org/

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consider, usenet:

1. sign up on https://www.eternal-september.org/ (free)
- there is a good index of other free servers here
- these are generally text-only. a number of them are also censored - meaning no 'alt.sex.*'
- i recommend eternal september due to it being uncensored, unless you want that.
2. install thunderbird
-  if you choose something that is not thunderbird you figure out the rest of this by yourself
3. file -> new -> other account
4. put in news.eternal-september.org
5. right click the new newsgroup -> settings -> server settings
6. check "always request authentication when connecting to this server"
7. select the newsgroup
8. enter your acct details
9. subscribe to whatever newsgroups look the freakiest
10. make friends in a radioactive wasteland