带有Postfix的Ubuntu VM无法在端口25或587上发送

问题描述

每当我尝试向外部电子邮件地址发送电子邮件时，都会说连接超时". NSG传出规则应让它通过.公用IP未列入黑名单.

When ever i try to send out an email to an outside email-adress it says "Connection timed out". NSG outgoing-rules should let it through. Public-IP is not Blacklisted. 

这是基于使用情况的订阅.在另一个基于消耗的订阅上，我运行具有几乎相同配置的VM，工作正常.

It is a based on usage subscription. On an other subscription which is consumption based i run a VM with nearly same configuartion, working just fine.  

推荐答案

您启用了哪种订阅?

如果启用以下类型之一:

If you enable one of the following types:

MSDN，Azure Pass，Azure in Open，教育，BizSpark，免费试用客户

MSDN, Azure Pass, Azure in Open, Education, BizSpark, Free Trial Customer

然后，在2017年11月15日之后，将具有技术限制来阻止从VM发送的电子邮件.

then, after November 15, 2017, will have technical restrictions blocking e-mail sent from VMs.

Microsoft建议使用发送电子邮件SendGrid

Microsoft recommendation is to send emails using SendGrid

您可以在以下链接中找到更多详细信息:

More details you can find in the following link :

https: //blogs.msdn.microsoft.com/mast/2017/11/15/enhanced-azure-security-for-sending-emails-november-2017-update/

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