Linux搭建邮件服务器时测试SMTP认证出现错误！

yang717645407

搭建邮件服务器时测试SMTP出现这个错误，不知道哪里不对。
当输入auth login 时就报错误了。然后用IP地址进行连接会直接被拒绝（如下）。
不知道是那个地方没有配置好还是哪里配置错误了，跪求大神指导一下~


[root@postmail ~]#
[root@postmail ~]#
[root@postmail ~]#
[root@postmail ~]#
[root@postmail ~]# telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
220 postmail ESMTP Sendmail 8.13.8/8.13.8; Thu, 31 Dec 2015 10:37:24 +0800
ehlo demo.domain.tld
250-postmail Hello localhost.localdomain [127.0.0.1], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE
250-DSN
250-ETRN
250-DELIVERBY
250 HELP
auth login
504 5.3.3 AUTH mechanism login not available
cG9zdG1hc3RlckBleHRtYWlsLm9yZw==
500 5.5.1 Command unrecognized: "cG9zdG1hc3RlckBleHRtYWlsLm9yZw=="
ZXh0bWFpbA==
500 5.5.1 Command unrecognized: "ZXh0bWFpbA=="




[root@postmail ~]# telnet 172.16.10.18 25
Trying 172.16.10.18...
telnet: connect to address 172.16.10.18: Connection refused
telnet: Unable to connect to remote host: Connection refused
[root@postmail ~]#

yang717645407

没有人么？？？