OpenSMTPD Admin - Administrative webshell for OpenSMTPD

Database needed to use SQL with OpenSMTPD

CREATE DATABASE IF NOT EXISTS `opensmtpd` DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci;
USE `opensmtpd`;

CREATE TABLE `admin` (
  `username` varchar(255) NOT NULL DEFAULT '',
  `password` varchar(255) NOT NULL DEFAULT '',
  `created` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  `modified` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  `active` tinyint(1) NOT NULL DEFAULT 1
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COMMENT='OpenSMTPD Admin - Virtual Admins';

CREATE TABLE `alias` (
  `address` varchar(255) NOT NULL DEFAULT '',
  `goto` text NOT NULL,
  `domain` varchar(255) NOT NULL DEFAULT '',
  `created` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  `modified` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  `active` tinyint(1) NOT NULL DEFAULT 1
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COMMENT='OpenSMTPD Admin - Virtual Aliases';

CREATE TABLE `domain` (
  `domain` varchar(255) NOT NULL DEFAULT '',
  `description` varchar(255) NOT NULL DEFAULT '',
  `aliases` int(10) NOT NULL DEFAULT 0,
  `mailboxes` int(10) NOT NULL DEFAULT 0,
  `maxquota` int(10) NOT NULL DEFAULT 0,
  `transport` varchar(255) DEFAULT NULL,
  `backupmx` tinyint(1) NOT NULL DEFAULT 0,
  `created` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  `modified` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  `active` tinyint(1) NOT NULL DEFAULT 1
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COMMENT='OpenSMTPD Admin - Virtual Domains';

CREATE TABLE `domain_admins` (
  `username` varchar(255) NOT NULL DEFAULT '',
  `domain` varchar(255) NOT NULL DEFAULT '',
  `created` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  `active` tinyint(1) NOT NULL DEFAULT 1
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COMMENT='OpenSMTPD Admin - Domain Admins';

CREATE TABLE `log` (
  `timestamp` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  `username` varchar(255) NOT NULL DEFAULT '',
  `domain` varchar(255) NOT NULL DEFAULT '',
  `action` varchar(255) NOT NULL DEFAULT '',
  `data` varchar(255) NOT NULL DEFAULT ''
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COMMENT='OpenSMTPD Admin - Log';

Config for OpenSMTPTD, MySQL/MariaDB example:

# cat /etc/mail/smtpd.conf
table credentials mysql:/etc/mail/sql.conf
table domains mysql:/etc/mail/sql.conf
table userinfo mysql:/etc/mail/sql.conf
table virtuals mysql:/etc/mail/sql.conf

Connecting the database to smtpd:

# cat /etc/mail/sql.conf
host            localhost
username        opensmtpd
password        RandomString 
database        opensmtpd

query_alias             SELECT goto FROM alias WHERE address=?;
query_credentials       SELECT username, password FROM mailbox WHERE username=? AND active='1';
query_domain            SELECT domain FROM domain WHERE domain=? AND active='1';
query_userinfo          SELECT 501, 501, maildir FROM mailbox WHERE username=? AND active='1';