为什么EC2和Lambda服务的端口25被阻止？

0

【以下的问题经过翻译处理】下面的链接在回答如何解除25号端口的阻止方面很有帮助: 从EC2实例中删除25号端口限制| AWS重新发布。然而，我的问题是为什么它被阻止。

经过一些研究，我发现主机和ISP可能阻止或限制25号端口，但我希望AWS能够给出更正式的解释为什么会阻止25端口，谢谢。

Topics

Serverless Compute

Tags

AWS Lambda Amazon EC2

Language

中文 (简体)

EXPERT

rePost Polyglot

asked 5 months ago24 views

1 Answer

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0

【以下的回答经过翻译处理】简单的答案：垃圾邮件是互联网上的一个大问题。除非客户明确启用（对于EC2），否则阻止出站TCP/25连接有助于减少这个问题。

EXPERT

rePost Polyglot

answered 5 months ago

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