==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 1.0
- Deployed with iRedMail Easy or the downloadable installer? downloadable installer
- Linux/BSD distribution name and version: Ubuntu 18.04
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Web server (Apache or Nginx):Nginx
- Manage mail accounts with iRedAdmin-Pro? Yes
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

I did the fresh installation of iRedMail-1.0 with Remote MySQL. Installation did the setup of related DBs but there are no table in roundcubemail, amavisd etc database and hence getting Bad gateway error or unable to connect to database error. During the installation it did not give any error. Now when I try to do reinstall it just below

< SKIP > Function: after_package_installation.

********************************************************************
* Start iRedMail Configurations
********************************************************************
< SKIP > Function: generate_ssl_keys.
[ INFO ] Create required system accounts.
< SKIP > Function: add_user_vmail.
< SKIP > Function: add_user_mlmmj.
< SKIP > Function: add_user_iredadmin.
< SKIP > Function: add_user_iredapd.
< SKIP > Function: add_user_netdata.
< SKIP > Function: web_server_config.
< SKIP > Function: mysql_setup.
< SKIP > Function: postfix_setup.
< SKIP > Function: dovecot_setup.
< SKIP > Function: mlmmj_config.
< SKIP > Function: mlmmjadmin_config.
< SKIP > Function: clamav_config.
< SKIP > Function: amavisd_config.
< SKIP > Function: sa_config.
< SKIP > Function: iredapd_setup.
< SKIP > Function: iredadmin_setup.
< SKIP > Function: rcm_setup.
< SKIP > Function: netdata_setup.
< SKIP > Function: fail2ban_config.
< SKIP > Function: cleanup.