Formspree have this "display: none" field. So when a spambot tries to send you a message, it discards the message. Maybe an implementation similar to this? Or use "Recaptcha", the new one it's not annoying :)
Does it automatically detect the spam domain?
No. Maybe filtering the domain with a firewall (or Cloudflare) can help. But formspree and recaptcha only detects a spam bot upon clicking "send".
Formspree have this "display: none" field. So when a spambot tries to send you a message, it discards the message. Maybe an implementation similar to this? Or use "Recaptcha", the new one it's not annoying :)
Does it automatically detect the spam domain?
No. Maybe filtering the domain with a firewall (or Cloudflare) can help. But formspree and recaptcha only detects a spam bot upon clicking "send".