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hmailserver为什么只能发自己的邮箱，发到QQ,163的都不行，只能收它们发过来的

请提供诊断结果。

怎么诊断呀
现在就是能收到QQ，163发给hmailserver 建的账号
hmailserver 建的账号只能发自己一类的，其他类别的发不到

Test: Collect server details
hMailServer version: hMailServer 5.6.1-B2208
Database type: MSSQL Compact

Test: Test IPv6
IPv6 support is available in operating system.

Test: Test outbound port
SMTP relayer is in use.
Trying to connect to host 120.24.59.224...
Trying to connect to TCP/IP address 120.24.59.224 on port 25.
Received: 220 mail.iotdeli.com ESMTP.
Connected successfully.

Test: Test backup directory
ERROR: Backup directory has not been specified.

Test: Test MX records
Trying to resolve MX records for iotdeli.com...
Host name found: mail.iotdeli.com

Test: Test local connect
Connecting to TCP/IP address in MX records for local domain domain iotdeli.com...
Trying to connect to host mail.iotdeli.com...
Trying to connect to TCP/IP address 120.24.59.224 on port 25.
Received: 220 mail.iotdeli.com ESMTP.
Connected successfully.

Test: Test message file locations
Relative message paths are stored in the database for all messages.

Test: Test IP range configuration
No problems were found in the IP range configuration.

看退信源码，很多帖子都是类似问题！ 基本问题都没做，拼命诉苦！

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