群晖无公网自建邮件服务器

Security Classification: 【C-1】 | Publish Time:2024-06-23 | Category:Test Notes | Edit
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AI Summary: 本文讨论了自建邮件服务器的原因、基础设施、邮件发送原理、端口穿透及配置域名解析等步骤。自建的好处包括数据管控和避免第三方泄露，但也面临伪造邮件无法识别的问题。通过使用DKIM验证可以缓解此问题，同时提到发信打分的挑战，尤其是家庭宽带IP与邮件服务器的关联性。最后建议通过脚本自动修正SPF记录或使用其他SMTP服务器来优化发件效果。 --- (From Model:gpt-4o-mini-2024-07-18)

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