==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 1.6.4
- Deployed with iRedMail Easy or the downloadable installer? Downloadale installer
- Linux/BSD distribution name and version: FreeBSD freebsd13.localdomain 13.1-RELEASE FreeBSD 13.1-RELEASE
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): PGSQL
- Web server (Apache or Nginx): Ngninx
- Manage mail accounts with iRedAdmin-Pro?No
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

Installer finishes with
```
===>   py39-pluggy0-0.13.1 depends on file: /usr/local/sbin/pkg - found
===> Fetching all distfiles required by py39-pluggy0-0.13.1 for building
===>   py39-wcwidth-0.2.6 depends on file: /usr/local/sbin/pkg - found
===> Fetching all distfiles required by py39-wcwidth-0.2.6 for building
===>  lsof-4.97.0,8 requires kernel sources.
*** Error code 1

Stop.
make[1]: stopped in /usr/ports/sysutils/lsof
*** Error code 1

Stop.
make: stopped in /usr/ports/devel/py-Jinja2
<< ERROR >> Failed in downloading package(s), please fix it manually and then relaunch iRedMail installer.
```

I can see earlier that
```
===> Fetching all distfiles required by suitesparse-umfpack-6.1.1 for building
===>   NOTICE:

The metis port currently does not have a maintainer. As a result, it is
more likely to have unresolved issues, not be up-to-date, or even be removed in
the future. To volunteer to maintain this port, please create an issue at:

bugs.freebsd.org/bugzilla

More information about port maintainership is available at:

docs.freebsd.org/en/articles/contributing/#ports-contributing
```

```
*************************************************************************
*                                                                       *
* Below file contains sensitive infomation (username/password), please  *
* do remember to *MOVE* it to a safe place after installation.          *
*                                                                       *
*   * /root/iRedMail-1.6.4/config
*                                                                       *
*************************************************************************
********************** Review your settings *****************************
*************************************************************************

* Storage base directory:               /var/vmail
* Mailboxes:                           
* Daily backup of SQL/LDAP databases:   
* Store mail accounts in:               PostgreSQL
* Web server:                           Nginx
* First mail domain name:               mytest.com
* Mail domain admin:                    postmaster@mytest.com
* Additional components:                Roundcubemail netdata iRedAdmin
```

This looks a lot like topic17933-iredmail-in-freebsd-not-working.html but the fix is already applied in the script, so don't really know where to look/ what to fix.