在这里，我可以看到 Mercury 窗口上的活动。收到的电子邮件在我的收件箱中：
但是，当我尝试向我的 Yandex 帐户或 GMail 帐户发送电子邮件时，它没有发送。我的意思是，它甚至不在垃圾邮件文件夹中。
此外，如果我在本地向自己发送电子邮件，我会收到它，那是有问题的。
只是为了让你知道整个流量都被转发，所以端口问题被忽略了。 在此处输入图像描述
Received: from spooler by localhost (Mercury/32 v4.62); 8 Oct 2021 23:09:32 +0300
X-Envelope-To: nizel@nizel.gq
From: Mail Delivery System <>
To: nizel@nizel.gq
Subject: Message delivery status
Date: Fri, 8 Oct 2021 23:09:21 +0300
MIME-Version: 1.0
Content-type: Text/plain; charset=US-ASCII
This is a delivery status message from the electronic mail server at
localhost. A message appearing to originate from your address
has been delayed during delivery.
Message details:
------------------------------------------------------------------
Originally submitted: 8 Oct 21, 16:22:52
Originator address: nizel@nizel.gq
Message's subject: PHP Mail Test script
Message's ID: <A23FEC44CE0@localhost>
After 3 hours, the following addresses had delivery problems:
Composidand68@superrito.com [Temporary failure - still trying to deliver]
The server will continue to attempt to deliver your message to any
addresses showing temporary errors. You do not need to take any
further action at this time - this message is for your information
only.