问HN：我们到底为什么还没有解决钓鱼邮件的问题？
在2025年，尽管人工智能取得了如此惊人的进步，我仍然会收到网络钓鱼邮件，这到底是怎么回事？这些邮件试图伪装成来自Coinbase、某个股票经纪人、银行，甚至是UPS、USPS或FEDEX的邮件？这些邮件看起来根本不合法，那它们是如何通过的呢？即使发件人的邮箱地址也是来自完全不同的域名。我使用的是Outlook和Gmail。为什么他们还没有解决这个问题？即使不考虑人工智能，我对邮件了解不多，但为什么没有类似于证书授权机构（CA）这样的机制来保护邮件呢？
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How is it possible that in 2025 with all the amazing advancements in AI, I am still getting phishing emails? Emails attempting to look as if its coming from Coinbase, or some stock broker, or bank, or even UPS/USPS/FEDEX? These emails dont look even remotely legit so how do they manage to pass through? Even the email addresses are from some completely different domain. I am using Outlook and Gmail. How/why have they not figured this out already? Even ignoring AI, I don't know much about email but why isn't there something like a CA for email?