【已解答】宝塔邮局发送Outlook&live邮箱失败的问题

为了能快速了解并处理您的问题，请提供以下基础信息：

面板、插件版本：免费版   8.0.1、宝塔邮局管理器:4.9

系统版本：CentOS 7.9.2009 x86_64(Py3.7.9)

问题描述：测试了163、139、qq、aliyun、gmail的收发都正常，但是只有发送live、Outlook报错，接收正常。

本端和对端的25端口都测试ok，实在没看懂哪里有问题。前来求助。。

端口测试情况如下：

#本端服务器测试Outlook的25端口#

[root@mail ~]# telnet 52.101.68.2 25

Trying 52.101.68.2...

Connected to 52.101.68.2.

Escape character is '^]'.

220 DU2PEPF0001E9C1.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Wed, 16 Aug 2023 07:58:34 +0000

#本地测试本端服务器的25端口#

[C:\~]$ telnet xxx.74.100.212 25

Connecting to xxx.74.100.212:25...

Connection established.

To escape to local shell, press 'Ctrl+Alt+]'.

220 mail.xxxxx.com ESMTP Postfix

相关截图（日志、错误）：

Aug 16 15:45:34 mail postfix/smtp[6438]: 440AD42CF4: to=<mosaic@outlook.com>, relay=outlook-com.olc.protection.outlook.com[52.101.68.2]:25, delay=3.3, delays=2.1/0.1/0.9/0.12, dsn=5.7.1, status=bounced (host outlook-com.olc.protection.outlook.com[52.101.68.2] said: 550 5.7.1 Unfortunately, messages from [xxx.74.100.212] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3140). You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. [DU2PEPF0001E9C1.eurprd03.prod.outlook.com 2023-08-16T07:45:34.219Z 08DB9D1388D13913] (in reply to MAIL FROM command))

Aug 16 15:45:34 mail postfix/smtp[6438]: 440AD42CF4: lost connection with outlook-com.olc.protection.outlook.com[52.101.68.2] while sending RCPT TO

您好，您提供的日志信息内有提示到block list (S3140)这一类错误，这一列错误提示是您在postmaster的阻止列表内。
您可以具体看下所提供的文档：
http://mail.live.com/mail/troubleshooting.aspx