==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): iRedMail-1.2
- Deployed with iRedMail Easy or the downloadable installer? downloadable installer
- Linux/BSD distribution name and version: Ubuntu 20.04
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): LDAP
- Web server (Apache or Nginx): There is no option to select Apache, so Nginx
====

*************************************************************************
********************** Review your settings *****************************
*************************************************************************

* Storage base directory:               /var/vmail
* Mailboxes:                           
* Daily backup of SQL/LDAP databases:   
* Store mail accounts in:               OpenLDAP
* Web server:                           Nginx
* First mail domain name:               xxxxx.pl
* Mail domain admin:                    postmaster@xxxx.pl
* Additional components:                Roundcubemail netdata iRedAdmin Fail2ban

< Question > Continue? [y|N]y
[ INFO ] Installing package(s): postfix postfix-pcre libsasl2-modules postfix-ldap slapd ldap-utils libnet-ldap-perl libdbd-mysql-perl mariadb-server mariadb-client php-cli php-fpm php-json php-gd php-curl mcrypt php-intl php-xml php-mbstring php-ldap php-mysql nginx-full dovecot-imapd dovecot-pop3d dovecot-lmtpd dovecot-managesieved dovecot-sieve dovecot-ldap dovecot-mysql amavisd-new libcrypt-openssl-rsa-perl libmail-dkim-perl clamav-freshclam clamav-daemon spamassassin altermime arj nomarch cpio lzop cabextract p7zip-full rpm libmail-spf-perl unrar-free pax lrzip libclamunrar9 mlmmj php-ldap python-sqlalchemy python-dnspython python-ldap python-mysqldb python-pymysql python-jinja2 python-netifaces python-pycurl python-requests uwsgi uwsgi-plugin-python python-pip python-bcrypt fail2ban geoip-bin geoip-database zlib1g libuuid1 libmnl0 curl lm-sensors netcat bzip2 acl patch cron tofrodos logwatch unzip bsdutils liblz4-tool
Reading package lists...
Building dependency tree...
Reading state information...
Package python-mysqldb is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Unable to locate package python-ldap
E: Package 'python-mysqldb' has no installation candidate
E: Unable to locate package python-pymysql
E: Unable to locate package python-requests
E: Unable to locate package uwsgi-plugin-python
E: Unable to locate package python-pip
<< ERROR >> Installation failed, please check the terminal output.
<< ERROR >> If you're not sure what the problem is, try to get help in iRedMail
<< ERROR >> forum: https://forum.iredmail.org/

Is it possible to run iRedMail on Ubuntu 20.04?