lowrah 🏴☠️🏳️🌈📣 Update: Behold, a decent gup.pe alternative! ovo.st groups allow NSFW posts under a CW! They work exactly like guppe: anyone can create a group by simply mentioning its handle in a post or typing it into the search bar– just put "ovo.st" instead of "a.gup.pe". I'll link more info in the replies!
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Noooooooo 😭
gup.pe groups are no more. FediGroups aren't a viable option for sharing explicit fanworks – they don't allow "adult NSFW content".
Are there any working alternatives left?? 
https://social.growyourown.services/@FediTips/115164282623836102
Fedi.Tips (@[email protected])
Okay, some really bad news but also a suggestion for a way forward. The Guppe groups domain name was sold by their registrar before they could renew it. This means all Guppe groups are broken, and their web addresses point to a spam blog 😞 However, there is another group provider called FediGroups, you can find out more on their site: ➡️ https://about.fedigroups.social/home FediGroups has features that Guppe never had, including private groups. (More info about #Guppe situation: https://github.com/immers-space/guppe/issues/118 )
Hamykia
And I'm also hoping to find more groups to follow myself!