电子邮件程序/服务将保留消息，直到发件人填写验证码
我正在寻找以下服务>>
当某人向某人发送电子邮件时，该电子邮件会进入他们看不到的临时保留收件箱。发送电子邮件的人将收到一个自动回复程序，询问他们是否是真人，并且他们必须填写验证码或类似的内容才能将消息发布到客户端。
先感谢您！ 布兰登
I'm looking for the following service >>
When a person emails an individual, the email goes into a temp hold inbox that they do not see. The person who sent the email will receive an auto responder asking them if they are a real person and they have to fill out a CAPTCHA or something along those lines for the message to be released onto the client.
Thank you in advance!
Brandon
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您正在寻找的称为“挑战-响应垃圾邮件防护”；您可能需要阅读有关 C/R 垃圾邮件防护的维基百科文章。有一些软件可以做到这一点，但这种技术并不常见。
这是有原因的。考虑到
。 考虑使用其他一些反垃圾邮件技术。为什么你需要做一些别人不做的事情？
What you are looking for is called "Challenge-Response spam protection"; you may want to read the Wikipedia article on C/R spam protection. There is some software out there that does this, but this technique is not often seen.
And this is for a reason. Consider that
Consider using some other anti-spam technique. Why would you need to do something that nobody else does?
为什么不在发送电子邮件之前强制用户填写验证码呢？它减少了保留临时电子邮件的需要。
Why not just force the user to fill out a captcha before the email is sent? It reduces the need for holding temporary emails.