spam feature: is it possible to implement a similar feature to mailinblack system, when an account receive a mail, before its delivered, the
spam feature:
is it possible to implement a similar feature to mailinblack system, when an account receive a mail, before its delivered to its mail box, the system will send a verification email where sender need click on a link and type a captcha to validate that sender is a human, when sender do this then his email is delivered and his email is recorder in autorized sender, next time he will send mail, it will be delivered without verification.
the account owner can also add manualy emails to autorized list, wich avoid the sender to get the verification email.
the senders who will not click the link and type captcha, their mail go automaticly to spam folder, or deleted, depending on email account owner parameter setup
this is the best way to fight against spam
i get about 300-1000 spam by day
Dark4D
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Thank you for your input!
Unfortunately, we have to close your request, because over the years it has not become quite popular for further implementation.
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Blade Okelly commented
DKIM and DMARC will help reducing spam but not eliminate them, the captcha based on mailinblack system is the best system i ever seen up to now. I think that this system should be implemented beside DKIM and DMARC, i have seen this system working, its 0 spam garantee