我把smtpd_sasl_local_domain = $myhostname注销掉就能smtp验证了。

灵气

请问各位大哥，这句话是什么意思啊？为什么我注销掉就通过认证了？是不是跟dns记录有关？
我现在的邮件记录是：
Jun 21 10:19:40 localhost pop3d: LOGOUT, user=test@lingqi.org, ip=[::ffff:10.103
.33.139], top=0, retr=0, time=0
Jun 21 10:19:40 localhost pop3d: Connection, ip=[::ffff:10.103.33.139]
Jun 21 10:19:40 localhost pop3d: LOGIN, user=test@lingqi.org, ip=[::ffff:10.103.
33.139]
Jun 21 10:19:40 localhost pop3d: LOGOUT, user=test@lingqi.org, ip=[::ffff:10.103
.33.139], top=0, retr=0, time=0
Jun 21 10:20:16 localhost pop3d: Connection, ip=[::ffff:10.103.33.139]
Jun 21 10:20:16 localhost pop3d: LOGIN, user=test@lingqi.org, ip=[::ffff:10.103.
33.139]
Jun 21 10:20:16 localhost pop3d: LOGOUT, user=test@lingqi.org, ip=[::ffff:10.103
.33.139], top=0, retr=0, time=0
Jun 21 10:20:17 localhost pop3d: Connection, ip=[::ffff:10.103.33.139]
Jun 21 10:20:17 localhost pop3d: LOGIN, user=test@lingqi.org, ip=[::ffff:10.103.
33.139]
Jun 21 10:20:17 localhost pop3d: LOGOUT, user=test@lingqi.org, ip=[::ffff:10.103
.33.139], top=0, retr=0, time=0
Jun 21 10:21:13 localhost postfix/smtpd[4614]: connect from unknown[10.103.33.13
9]
Jun 21 10:21:13 localhost postfix/smtpd[4614]: NOQUEUE: reject: RCPT from unknow
n[10.103.33.139]: 504 <cke>: Helo command rejected: need fully-qualified hostnam
e; from=<test@lingqi.org> to=<test@lingqi.org> proto=SMTP helo=<cke>
Jun 21 10:21:13 localhost postfix/smtpd[4614]: disconnect from unknown[10.103.33
.139]
Jun 21 10:21:13 localhost postfix/smtpd[4614]: connect from unknown[10.103.33.13
9]
Jun 21 10:21:13 localhost postfix/smtpd[4614]: DF00D9E1F9: client=unknown[10.103
.33.139], sasl_method=LOGIN, sasl_username=test
Jun 21 10:21:14 localhost postfix/smtpd[4614]: A0EF09E1F9: client=unknown[10.103
.33.139], sasl_method=LOGIN, sasl_username=test
Jun 21 10:21:14 localhost postfix/cleanup[4621]: A0EF09E1F9: message-id=<2006062
11016445152129@lingqi.org>
Jun 21 10:21:14 localhost postfix/qmgr[4611]: A0EF09E1F9: from=<test@lingqi.org>
, size=1370, nrcpt=1 (queue active)
Jun 21 10:21:14 localhost postfix/local[4625]: A0EF09E1F9: to=<test@lingqi.org>,
relay=local, delay=0, status=bounced (unknown user: "test")
Jun 21 10:21:14 localhost postfix/cleanup[4621]: B55309E1FA: message-id=<2006062
1022114.B55309E1FA@lingqi.lingqi.org>
Jun 21 10:21:14 localhost postfix/qmgr[4611]: B55309E1FA: from=<>, size=2986, nr
cpt=1 (queue active)
Jun 21 10:21:14 localhost postfix/qmgr[4611]: A0EF09E1F9: removed
Jun 21 10:21:14 localhost postfix/local[4625]: B55309E1FA: to=<test@lingqi.org>,
relay=local, delay=0, status=bounced (unknown user: "test")
Jun 21 10:21:14 localhost postfix/qmgr[4611]: B55309E1FA: removed
Jun 21 10:21:15 localhost postfix/smtpd[4614]: disconnect from unknown[10.103.33
.139]
Jun 21 10:22:45 localhost postfix/smtpd[4614]: connect from unknown[10.103.33.13
9]
Jun 21 10:22:45 localhost postfix/trivial-rewrite[4622]: warning: do not list do
main lingqi.org in BOTH mydestination and virtual_mailbox_domains
Jun 21 10:22:45 localhost postfix/smtpd[4614]: NOQUEUE: reject: RCPT from unknow
n[10.103.33.139]: 504 <cke>: Helo command rejected: need fully-qualified hostnam
e; from=<123@lingqi.org> to=<test@lingqi.org> proto=SMTP helo=<cke>
Jun 21 10:22:45 localhost postfix/smtpd[4614]: disconnect from unknown[10.103.33
.139]
Jun 21 10:22:45 localhost postfix/smtpd[4614]: connect from unknown[10.103.33.13
9]
Jun 21 10:22:51 localhost postfix/smtpd[4614]: warning: unknown[10.103.33.139]:
SASL LOGIN authentication failed
Jun 21 10:22:51 localhost postfix/smtpd[4614]: disconnect from unknown[10.103.33
.139]
Jun 21 10:23:01 localhost postfix/smtpd[4614]: connect from unknown[10.103.33.13
9]
Jun 21 10:23:01 localhost postfix/smtpd[4614]: NOQUEUE: reject: RCPT from unknow
n[10.103.33.139]: 504 <cke>: Helo command rejected: need fully-qualified hostnam
e; from=<123@lingqi.org> to=<test@lingqi.org> proto=SMTP helo=<cke>
Jun 21 10:23:01 localhost postfix/smtpd[4614]: disconnect from unknown[10.103.33
.139]
Jun 21 10:23:01 localhost postfix/smtpd[4614]: connect from unknown[10.103.33.13
9]
Jun 21 10:23:01 localhost postfix/smtpd[4614]: 85A279E1F9: client=unknown[10.103
.33.139], sasl_method=LOGIN, sasl_username=test
Jun 21 10:23:02 localhost postfix/smtpd[4614]: 67EC69E1F9: client=unknown[10.103
.33.139], sasl_method=LOGIN, sasl_username=test
Jun 21 10:23:02 localhost postfix/cleanup[4645]: 67EC69E1F9: message-id=<2006062
11018159374475@lingqi.org>
Jun 21 10:23:02 localhost postfix/qmgr[4611]: 67EC69E1F9: from=<123@lingqi.org>,
size=1365, nrcpt=1 (queue active)
Jun 21 10:23:02 localhost postfix/local[4647]: warning: dict_nis_init: NIS domai
n name not set - NIS lookups disabled
Jun 21 10:23:02 localhost postfix/local[4647]: 67EC69E1F9: to=<test@lingqi.org>,
relay=local, delay=0, status=bounced (unknown user: "test")
Jun 21 10:23:02 localhost postfix/cleanup[4645]: 8B7519E1FA: message-id=<2006062
1022302.8B7519E1FA@lingqi.lingqi.org>
Jun 21 10:23:02 localhost postfix/qmgr[4611]: 8B7519E1FA: from=<>, size=2979, nr
cpt=1 (queue active)
Jun 21 10:23:02 localhost postfix/trivial-rewrite[4618]: warning: do not list do
main lingqi.org in BOTH mydestination and virtual_mailbox_domains
Jun 21 10:23:02 localhost postfix/qmgr[4611]: 67EC69E1F9: removed
Jun 21 10:23:02 localhost postfix/local[4647]: 8B7519E1FA: to=<123@lingqi.org>,
relay=local, delay=0, status=bounced (unknown user: "123")
Jun 21 10:23:02 localhost postfix/qmgr[4611]: 8B7519E1FA: removed
Jun 21 10:23:02 localhost postfix/smtpd[4614]: disconnect from unknown[10.103.33
.139]
Jun 21 10:26:22 localhost postfix/anvil[4616]: statistics: max connection rate 4
/60s for (smtp:10.103.33.139) at Jun 21 10:23:01
Jun 21 10:26:22 localhost postfix/anvil[4616]: statistics: max connection count
1 for (smtp:10.103.33.139) at Jun 21 10:19:37
Jun 21 10:26:22 localhost postfix/anvil[4616]: statistics: max cache size 1 at J
un 21 10:19:37

灵气

我在鸟哥的文档里找到这样的话：
smtpd_sasl_local_domain：『确认已经经过认证的网域』，就是不需要身份认证也可以是『信任』的网域啰，在 1.5.xx 版的 cyrus 可以直接填写为 $myhostname 啦！不过，在 2.xx 版本时，就不能设定了！很重要喔！

我用的就是2.xx版本，难道？？？？