==== 必填信息。没有填写将不予回复 ====
- iRedMail 版本号：0.8.6
- 使用哪个数据库存储用户帐号（OpenLDAP，MySQL，PostgreSQL）：MySQL
- 使用的 Linux/BSD 发行版名称及版本号：Debian 7.3.0
- 与您的问题相关的日志信息：
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你好，我三年前在Debian 6服务器上装过iRedMail 0.7.x现在升级到0.8.6一直很正常
今天我在一台新的服务器上全新安装，发现打不开首页？DATABASE ERROR: CONNECTION FAILED!
只有phpMyAdmin是能进的，进去后发现只有phpmyadmin数据库是成功创建了，其他数据库和新用户都没有创建过的，不明白是怎么一回事

安装程序的相关提示如下：

********************************************************************
* Start iRedMail Configurations
********************************************************************
< INFO > Create self-signed SSL certification files.
< INFO > Create required system accounts: vmail, iredapd, iredadmin.
< INFO > Configure Apache web server and PHP.
< INFO > Configure MySQL database server.
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
< INFO > Configure Postfix (Message Transfer Agent).
< INFO > Configure Cluebringer (postfix policy server).
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
< INFO > Configure Dovecot-2 (pop3/imap/managesieve server).
< INFO > Configure ClamAV (anti-virus toolkit).
< INFO > Configure Amavisd-new (interface between MTA and content checkers).
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
< INFO > Configure SpamAssassin (content-based spam filter).
< INFO > Configure iRedAPD (postfix policy daemon).
< INFO > Configure iRedAdmin (official web-based admin panel).
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
< INFO > Configure Fail2ban (authentication failure monitor).
< INFO > Configure Awstats (logfile analyzer for mail and web server).
< INFO > Configure Roundcube webmail.
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
< INFO > Configure phpMyAdmin (web-based MySQL management tool).