邮件服务器域名不宜用 cloudflare 解析? - V2EX
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hokman

邮件服务器域名不宜用 cloudflare 解析?

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  •   hokman Oct 1, 2023 3303 views
    This topic created in 977 days ago, the information mentioned may be changed or developed.
    https://www.experte.com/spam-checker 检测显示"The query to zen.spamhaus.org was blocked due to usage of an open resolver."
    意思应该就是使用的 DNS 解析服务商是 blocked 的原因?
    5 replies    2023-10-02 18:03:23 +08:00
    hefish
        1
    hefish  
       Oct 1, 2023
    这。。。。他扯犊子呢。。。。我一直用 cf 解析啊。。。邮箱放阿里云。。。免费的那种企业邮。
    morax0xyc
        2
    morax0xyc  
       Oct 1, 2023 via Android
    只是 spamhaus 提供的免费检测不让用 cf ,因为可能带来大规模滥用

    换个检测网站吧,比如 mxtool mail-tester
    ruixue
        3
    ruixue  
       Oct 1, 2023
    邮件服务器才最不用担心 dns 解析慢的问题,毕竟邮件协议对时延并不敏感,甚至设计之初都考虑到了目标服务器暂时连不上的情况
    Likenttt
        4
    Likenttt  
       Oct 2, 2023
    smtp 协议设计有缺陷,容易被冒充。建议你了解下 spf 、DKIM 、DMARC 三种解析,能有效增强可信度。
    HappyDay123
        5
    HappyDay123  
       Oct 2, 2023
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