==== 必填信息。没有填写将不予回复 ====
- iRedMail 版本号：
- 使用哪个数据库存储用户帐号（OpenLDAP，MySQL，PostgreSQL）：
- 使用的 Linux/BSD 发行版名称及版本号：
- 与您的问题相关的日志信息：
==== ==== 必填信息。没有填写将不予回复 ====
- iRedMail 版本号：iRedAdmin-Pro     v1.6.0 (MySQL)
- 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：Centos6.4
- 与您的问题相关的日志信息：
====
mail机器之前是装在虚拟机里，然后通过拷贝虚拟机镜像将mail迁移到新机房，启动之后测试，收不到邮件，查看maillog日志报
Oct 23 23:14:17 mail postfix/smtp[7426]: warning: smtp_connect_addr: bind ***** : Cannot assign requested address
Oct 23 23:20:35 mail postfix/smtpd[7411]: connect from unknown[180.104.20.54]
Oct 23 23:20:38 mail postfix/smtpd[7411]: warning: unknown[180.104.20.54]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 23 23:20:38 mail postfix/smtpd[7411]: lost connection after AUTH from unknown[180.104.20.54]
Oct 23 23:20:38 mail postfix/smtpd[7411]: disconnect from unknown[180.104.20.54]
Oct 23 23:21:08 mail postfix/smtpd[7215]: connect from unknown[59.59.155.49]
bind之前绑定的是外网地址，现在配置的内网地址，然后防火墙做的映射，防火墙策略没有限制，请问bind应该如何绑定，mynetworks已添加允许地址

第二个问题就是访问后台管理地址/iredadmin，登陆之后直接报internal server error错误，日志如下
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74] Traceback (most recent call last):
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]   File "/usr/lib/python2.6/site-packages/web/application.py", line 235, in process
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]     return p(lambda: process(processors))
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]   File "/usr/lib/python2.6/site-packages/web/session.py", line 88, in _processor
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]     self._save()
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]   File "/usr/lib/python2.6/site-packages/web/session.py", line 135, in _save
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]     self.store[self.session_id] = dict(self._data)
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]   File "/usr/lib/python2.6/site-packages/web/session.py", line 304, in __setitem__
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]     if key in self:
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]   File "/usr/lib/python2.6/site-packages/web/session.py", line 288, in __contains__
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]     data = self.db.select(self.table, where="session_id=$key", vars=locals())
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]   File "/usr/lib/python2.6/site-packages/web/db.py", line 682, in select
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]     return self.query(qout, processed=True)
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]   File "/usr/lib/python2.6/site-packages/web/db.py", line 644, in query
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]     self._db_execute(db_cursor, sql_query)
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]   File "/usr/lib/python2.6/site-packages/web/db.py", line 595, in _db_execute
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]     self.ctx.rollback()
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]   File "/usr/lib/python2.6/site-packages/web/db.py", line 535, in rollback
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74]     ctx.db.rollback()
[Sat Oct 24 00:31:40 2015] [error] [client 124.65.129.74] OperationalError: (2006, 'MySQL server has gone away')

请张老师帮忙看看，不胜感激