New answers tagged privacy
1
If you are looking for disposable inboxes, try https://inboxen.org/
If you are looking for disposable addresses, try https://simplelogin.io/
Both are open source and can be self-hosted.
1
GuerrillaMail.com is very similar to the sites you mention, and the core of it appears to be this open source project:
https://github.com/flashmob/go-guerrilla
It's not a turnkey solution, but it could be a good start toward building your own version.
0
I am not sure what your requirements to disposable are, but you could have a look at the dockerized version of mailcow. It contains everything you need for a mailsetup.
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