I don't agree with this and I think the right approach is to simply not require visitors to give up their email accounts if they don't want to.
If you want to block a malicious attacker, then you can use a captcha.
A serious malicious attacker wouldn't have a problem paying a few dollars to buy a domain, creating a catch-all address and if he wants to take it one step further he can even have it look like a legitimate email service.
If you want to block a malicious attacker, then you can use a captcha.
A serious malicious attacker wouldn't have a problem paying a few dollars to buy a domain, creating a catch-all address and if he wants to take it one step further he can even have it look like a legitimate email service.
Disposable services are ad blockers for emails.