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by southerntofu 1629 days ago
As someone who has a public email written on their blog, i've found the signal/noise ratio in the emails i reply to be very good. Of course, if you have a public HTTP form you're gonna have more SPAM, but most SPAM is fully automated and will not pass a simple "what's 2 + 2" CAPTCHA.

If you need better vetting, consider using webmention/ActivityPub federation and allowlisting individual hosts for automatic approval. There is definitely spam on such protocols too, but they tend to come from the same domain/IP so denylisting is very efficient in dealing with it.