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- iRedMail 版本号:0.9.7
- 使用哪个数据库存储用户帐号(OpenLDAP,MySQL,PostgreSQL):ldap
- 使用的 Linux/BSD 发行版名称及版本号:CentOS7.4
1.请问一下,下面的提示,这是什么原因呢? 每隔几秒就出来一大段 192.168.1.254 防火墙的地址

Dec  4 10:42:53 mail postfix/smtpd[25013]: connect from unknown[192.168.1.254]
Dec  4 10:42:54 mail postfix/smtpd[25013]: lost connection after AUTH from unknown[192.168.1.254]
Dec  4 10:42:54 mail postfix/smtpd[25013]: disconnect from unknown[192.168.1.254]
Dec  4 10:42:54 mail postfix/postscreen[24570]: CONNECT from [192.168.1.254]:62898 to [192.168.1.250]:25
Dec  4 10:42:54 mail postfix/postscreen[24570]: PASS OLD [192.168.1.254]:62898
Dec  4 10:42:54 mail postfix/smtpd[25194]: connect from unknown[192.168.1.254]
Dec  4 10:42:54 mail postfix/smtpd[25194]: lost connection after AUTH from unknown[192.168.1.254]
Dec  4 10:42:54 mail postfix/smtpd[25194]: disconnect from unknown[192.168.1.254]
Dec  4 10:42:55 mail postfix/postscreen[24570]: CONNECT from [192.168.1.254]:57490 to [192.168.1.250]:25
Dec  4 10:42:55 mail postfix/postscreen[24570]: PASS OLD [192.168.1.254]:57490
Dec  4 10:42:55 mail postfix/smtpd[25013]: connect from unknown[192.168.1.254]
Dec  4 10:42:55 mail postfix/smtpd[25013]: lost connection after AUTH from unknown[192.168.1.254]
Dec  4 10:42:55 mail postfix/smtpd[25013]: disconnect from unknown[192.168.1.254]
Dec  4 10:42:55 mail postfix/postscreen[24570]: CONNECT from [192.168.1.254]:65092 to [192.168.1.250]:25
Dec  4 10:42:55 mail postfix/postscreen[24570]: PASS OLD [192.168.1.254]:65092
Dec  4 10:42:55 mail postfix/smtpd[25194]: connect from unknown[192.168.1.254]
Dec  4 10:42:55 mail postfix/smtpd[25194]: lost connection after AUTH from unknown[192.168.1.254]
Dec  4 10:42:55 mail postfix/smtpd[25194]: disconnect from unknown[192.168.1.254]
Dec  4 10:42:55 mail postfix/postscreen[24570]: CONNECT from [192.168.1.254]:51971 to [192.168.1.250]:25
Dec  4 10:42:55 mail postfix/postscreen[24570]: PASS OLD [192.168.1.254]:51971
Dec  4 10:42:55 mail postfix/smtpd[25168]: connect from unknown[192.168.1.254]
Dec  4 10:42:55 mail postfix/smtpd[25168]: lost connection after AUTH from unknown[192.168.1.254]
Dec  4 10:42:55 mail postfix/smtpd[25168]: disconnect from unknown[192.168.1.254]
Dec  4 10:42:56 mail postfix/postscreen[24570]: CONNECT from [192.168.1.254]:62935 to [192.168.1.250]:25
Dec  4 10:42:56 mail postfix/postscreen[24570]: PASS OLD [192.168.1.254]:62935

怎么没有人解决啊

由于在安装的时候,出现mysql失败,现在数据库是空的,怎么解决