默认安装postfix，登陆时邮件地址怎样填写？

Question

opensolaris 200805,安装了postfix-2.8，默认安装，我想在局域网中做测试，没有域名，
我只改了 hotname=opensolaris，其他都是默认，那么我在客户端登陆是邮件地址怎样填写？
我用命令行telnet localhost 25,然后检查了一下日志如下：怎么办？

Mar  7 17:32:48 opensolaris postfix/postfix-script[528]: [ID 197553 mail.info] starting the Postfix mail system
Mar  7 17:32:55 opensolaris postfix/master[534]: [ID 197553 mail.info] daemon started -- version 2.8.1, configuration /etc/postfix
Mar  7 18:07:42 opensolaris postfix/postfix-script[668]: [ID 947731 mail.crit] fatal: the Postfix mail system is already running
Mar  7 18:14:57 opensolaris postfix/smtpd[669]: [ID 947731 mail.crit] fatal: open database /etc/mail/aliases.dir: No such file or directory
Mar  7 18:14:58 opensolaris postfix/master[534]: [ID 947731 mail.warning] warning: process /usr/libexec/postfix/smtpd pid 669 exit status 1
Mar  7 18:14:58 opensolaris postfix/master[534]: [ID 947731 mail.warning] warning: /usr/libexec/postfix/smtpd: bad command startup -- throttling
Mar  7 18:15:58 opensolaris postfix/smtpd[672]: [ID 947731 mail.crit] fatal: open database /etc/mail/aliases.dir: No such file or directory
Mar  7 18:15:59 opensolaris postfix/master[534]: [ID 947731 mail.warning] warning: process /usr/libexec/postfix/smtpd pid 672 exit status 1
Mar  7 18:15:59 opensolaris postfix/master[534]: [ID 947731 mail.warning] warning: /usr/libexec/postfix/smtpd: bad command startup -- throttling
Mar  7 18:16:59 opensolaris postfix/smtpd[673]: [ID 947731 mail.crit] fatal: open database /etc/mail/aliases.dir: No such file or directory
Mar  7 18:17:00 opensolaris postfix/master[534]: [ID 947731 mail.warning] warning: process /usr/libexec/postfix/smtpd pid 673 exit status 1
Mar  7 18:17:00 opensolaris postfix/master[534]: [ID 947731 mail.warning] warning: /usr/libexec/postfix/smtpd: bad command startup -- throttling
Mar  7 18:18:00 opensolaris postfix/smtpd[674]: [ID 947731 mail.crit] fatal: open database /etc/mail/aliases.dir: No such file or directory
Mar  7 18:18:01 opensolaris postfix/master[534]: [ID 947731 mail.warning] warning: process /usr/libexec/postfix/smtpd pid 674 exit status 1
Mar  7 18:18:01 opensolaris postfix/master[534]: [ID 947731 mail.warning] warning: /usr/libexec/postfix/smtpd: bad command startup -- throttling
Mar  7 18:19:01 opensolaris postfix/smtpd[675]: [ID 947731 mail.crit] fatal: open database /etc/mail/aliases.dir: No such file or directory
Mar  7 18:19:02 opensolaris postfix/master[534]: [ID 947731 mail.warning] warning: process /usr/libexec/postfix/smtpd pid 675 exit status 1
Mar  7 18:19:02 opensolaris postfix/master[534]: [ID 947731 mail.warning] warning: /usr/libexec/postfix/smtpd: bad command startup -- throttling