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Show HN: Clova.Email 是一款主打隐私的邮件应用，为每个公司分配独立邮箱地址，首个发件人锁定地址，其余发件人被拒收，从而让被泄露或转售的邮件列表失效。它还支持临时邮箱、前缀邮箱、MCP 助手接入以及数据导出。
A Hacker News poster alleges that UCEPROTECT blacklists entire hosting ASNs such as DigitalOcean's ASN 14061 and charges $30/month (or $108/year) to whitelist innocent sites, affecting mobile carriers like Orange that rely on the blacklist.