使用第三方SMTP服务器时，AWS EC2电子邮件发送限制 [英] AWS EC2 email sending limit when using third party smtp server

问题描述

有没有对邮件我可以从一个EC2实例发送时，我使用的是第三方SMTP服务器发送出去的邮件数量的限制么？我用的EC2实例调用客户端的SMTP服务器。

Are there any limits on the number of emails I can send from an EC2 instances when I am using a third party SMTP server to send out emails ? I use the EC2 instance to call the client's smtp server.

谢谢 Santhosh

Thanks Santhosh

推荐答案

是的，如果你要连接到通过TCP端口25的第三方服务器，有一个由EC2基础设施强加的限制，作为一种防垃圾邮件措施

Yes, if you are connecting to the third-party server over TCP port 25, there is a limit imposed by the EC2 infrastructure, as an anti-spam measure.

您可以请求将这个限制被取消，或者，最简单的，可以说是最正确的解决方案，连接到端口587（SMTP-MSA）的服务器，而不是25（SMTP-MTA）。 （第三方邮件服务器应该支持它，除非他们真的没有被重视了好几年。）

You can request that this restriction be lifted, or, the simplest and arguably most correct solution, connect to the server on port 587 (SMTP-MSA) instead of 25 (SMTP-MTA). (The third party mail server should support it unless they really haven't been paying attention for several years.)

请参阅<一href="http://en.m.wikipedia.org/wiki/Simple_Mail_Transfer_Protocol">http://en.m.wikipedia.org/wiki/Simple_Mail_Transfer_Protocol

或者，使用SSL会更好。

Or, using SSL would be even better.

如果您没有连接到第三方服务器上的25端口，那么就完全没有限制。

If you aren't connecting to the 3rd party server on port 25, then there's absolutely no limit.

<一个href="https://aws-portal.amazon.com/gp/aws/html-forms-controller/contactus/ec2-email-limit-rdns-request">https://aws-portal.amazon.com/gp/aws/html-forms-controller/contactus/ec2-email-limit-rdns-request ...就是你可以使用，如果你想要求删除的端口25块的形式，但是这也需要您建立反向DNS承担端口25用于去除限制更多的责任，如果你想利用这条路线，代替。

https://aws-portal.amazon.com/gp/aws/html-forms-controller/contactus/ec2-email-limit-rdns-request ... is the form you can use if you want to request removal of the port 25 block, but this also requires you to establish reverse dns to take additional responsibility for the removed restriction on port 25, if you want to take that route, instead.

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