They work by giving you a random email address that is available for a short time (ex. 10min) and an inbox for any messages you recieve during that time (ex. an email verification message from a Lemmy server)
I didn’t want to recommend a specific one, however Googling “temporary email” should give you several options to choose from.
Hello there, and welcome to our community! I hope you like it in here.
Could you please include some body text as to why should people know this, and how would that help them? It’s our second rule. Thank you :)