Server : Apache System : Linux server1.cgrithy.com 3.10.0-1160.95.1.el7.x86_64 #1 SMP Mon Jul 24 13:59:37 UTC 2023 x86_64 User : nobody ( 99) PHP Version : 8.1.23 Disable Function : NONE Directory :  /var/softaculous/postfix/

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1. set $CONF['configured'] = true; and also enter the database details in config.inc.php file in manual installation
2. PHP REQUIREMENT LINK : requirement display on setup page of installation (check composer.json as well).
3. Release date : https://github.com/postfixadmin/postfixadmin/releases/