如何判断是否丢掉用户请求

1.使用下面的方法或者用户名和密码的机密字符串

[root@mail postfix]# perl -e 'use MIME::Base64; print encode_base64("user1")'

dXNlcjE=

[root@mail postfix]# perl -e 'use MIME::Base64; print encode_base64("123")'

MTIz

2.telnet localhost 25

[root@mail sasl2]# telnet localhost 25

Trying ::1...

telnet: connect to address ::1: Connection refused

Trying 127.0.0.1...

Connected to localhost.

Escape character is '^]'.

220 mail.goalgoal.cn ESMTP Postfix

ehlo localhost

250-mail.goalgoal.cn

250-PIPELINING

250-SIZE 10240000

250-VRFY

250-ETRN

250-AUTH LOGIN PLAIN

250-AUTH=LOGIN PLAIN

250-ENHANCEDSTATUSCODES

250-8BITMIME

250 DSN

auth login

334 VXNlcm5hbWU6

dXNlcjE=

334 UGFzc3dvcmQ6

MTIz

235 2.0.0 Authentication successful

mail from:user1@goalgoal.cn

250 2.1.0 Ok

rcpt to:user2@goalgoal.cn

250 2.1.5 Ok

data

354 End data with <CR><LF>.<CR><LF>

test

.

250 2.0.0 Ok: queued as 8344F280252

quit

221 2.0.0 Bye

Connection closed by foreign host.
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