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Server: LiteSpeed
System: Linux prometheus.hongkongserver.net 4.18.0-553.134.1.el8_10.x86_64 #1 SMP Tue Jun 16 16:05:57 EDT 2026 x86_64
User: ayxmplky (1112)
PHP: 8.1.34
Disabled: NONE
$ pwd: /lib/firewalld/services/
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File: //lib/firewalld/services/smtp-submission.xml
<?xml version="1.0" encoding="utf-8"?>
<service>
  <short>Mail (SMTP-Submission)</short>
  <description>SMTP-Submission allows remote users to submit mail over port 587.</description>
  <port protocol="tcp" port="587"/>
</service>
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