==== 必填信息。没有填写将不予回复 ====
- iRedMail 版本号：0.9.6
- 使用哪个数据库存储用户帐号（OpenLDAP，MySQL，PostgreSQL）：OpenLDAP
- 使用的 Linux/BSD 发行版名称及版本号：FreeBSD 11
- 与您的问题相关的日志信息：
[  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)
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
[  INFO  ] Configure Amavisd-new (Interface between MTA and content checkers).
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
[  INFO  ] Configure iRdAPD (postfix policy deamon).
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
[  INFO  ] Configure iRdAdmin (official web-based admin panel).
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
[  INFO  ] Configure Roundcube webmail.
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
[  INFO  ] Configure SOGo Groupware(Webmail, Calendar, Address Book, ActiveSync).
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
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很抱歉张先生，不知道我哪里的配置不太正确，还是人品障碍，貌似我的问题并未解决，历时7个小时的安装
还是出现类似的问题。

原帖已关闭，另起一贴，请勿怪：）
不过幸运的是，在CentOS7下倒是一气呵成。