==== 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：Centos 7
- 与您的问题相关的日志信息：
====
********************************************************************
* Start iRedMail Configurations
********************************************************************
[ INFO ] Create self-signed SSL certification files (2048 bits).
[ INFO ] Generate Diffie Hellman Group with openssl, please wait.
[ INFO ] Create required system account: vmail, iredadmin, iredapd.
[ INFO ] Configure Nginx web server and uWSGI.
[ INFO ] Configure PHP.
[ INFO ] Configure LDAP server: OpenLDAP.
[ INFO ] Setup daily cron job to backup LDAP data with /mail/vmail/backup/backup_openldap.sh
[ INFO ] Configure MySQL database server.
[ INFO ] Setup daily cron job to backup SQL databases with /mail/vmail/backup/backup_mysql.sh
[ INFO ] Configure Postfix (MTA).
[ INFO ] Configure Dovecot (POP3/IMAP/Managesieve/LMTP/LDA).
[ INFO ] Configure ClamAV (anti-virus toolkit).
[ INFO ] Configure Amavisd-new (interface between MTA and content checkers).
[ INFO ] Configure SpamAssassin (content-based spam filter).
[ INFO ] Configure iRedAPD (postfix policy daemon).
[ INFO ] Configure iRedAdmin (official web-based admin panel).
[ INFO ] Configure Fail2ban (authentication failure monitor).
[ INFO ] Configure Roundcube webmail.
[ INFO ] Configure Awstats (logfile analyzer for mail and web server).

*************************************************************************
* iRedMail-0.9.6 installation and configuration complete.
*************************************************************************

[ INFO ] Disable SELinux in /etc/selinux/config.
< Question > Would you like to use firewall rules provided by iRedMail?
< Question > File: /etc/firewalld/zones/iredmail.xml, with SSHD port: 10835. [Y|n]Y
[ INFO ] Copy firewall sample rules: /etc/firewalld/zones/iredmail.xml.
< Question > Restart firewall now (with SSHD port 10835)? [y|N]y 
[ INFO ] Restarting firewall ...
< Question > Would you like to use MySQL configuration file shipped within iRedMail now?
< Question > File: /etc/my.cnf. [Y|n]Y
[ INFO ] Copy MySQL sample file: /etc/my.cnf.
[ INFO ] Enable SSL support for MySQL server.
[ INFO ] Updating ClamAV database (freshclam), please wait ...
ERROR: Can't open /var/log/clamav/freshclam.log in append mode (check permissions!).
ERROR: Problem with internal logger (UpdateLogFile = /var/log/clamav/freshclam.log).
********************************************************************