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Server: nginx/1.22.0
System: Linux iZuf6jdxbygmf6cco977lcZ 5.10.84-10.4.al8.x86_64 #1 SMP Tue Apr 12 12:31:07 CST 2022 x86_64
User: root (0)
PHP: 7.4.29
Disabled: passthru,exec,system,chroot,chgrp,chown,shell_exec,proc_open,proc_get_status,ini_alter,ini_restore,dl,readlink,symlink,popepassthru,stream_socket_server,fsocket,popen
$ pwd: /lib/firewalld/services/
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File: //lib/firewalld/services/smtps.xml
<?xml version="1.0" encoding="utf-8"?>
<service>
  <short>Mail (SMTP over SSL)</short>
  <description>This option allows incoming SMTPs mail delivery. If you need to allow remote hosts to connect directly to your machine to deliver mail in a secure way, enable this option. You do not need to enable this if you collect your mail from your ISP's server by POP3 or IMAP, or if you use a tool such as fetchmail. Note that an improperly configured SMTP server can allow remote machines to use your server to send spam.</description>
  <port protocol="tcp" port="465"/>
</service>
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