Takes 10 minutes. Free. Uses your existing email client. Cons: Your primary inbox gets the spam eventually. You cannot "stop" receiving without deleting the domain. No anonymous reading.

These services allow you to link your domain and create "on-the-fly" addresses that forward to your real inbox. Forward Email

Public temp mail services delete emails after 10 minutes to 24 hours. With your own domain, you control the deletion schedule. Need an email verification link that takes 48 hours to arrive? You can do that.

Emails sent to these temporary addresses are forwarded to the user's primary email address or stored within the TempMail service for retrieval.