参考http://blog.163.com/qiushuhui1989@126/blog/static/2701108920146279368171/配置了postfix+dovecot+postfixmain。配置大体相同，不同之处为设置了disable_dns_lookups = no ；现在本域外发正常，但本地互发提示mail system configuration error错误。求解
日志截取如下（域名已被替换）
postqueue -p
BDA5A7A166 985 Tue Jul 26 08:00:01 root@domain.com
(mail system configuration error)
root@domain.com
maillog
postfix/pipe[5731]: 98D347A15B: to=<root@domain.com>, orig_to=<root>, relay=dovecot, delay=57522, delays=57522/0.06/0/0.01, dsn=4.3.5, status=deferred (mail system configuration error)
