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- iRedMail 版本号：0.9.4
- 使用哪个数据库存储用户帐号（OpenLDAP，MySQL，PostgreSQL）：mysql
- 使用的 Linux/BSD 发行版名称及版本号：ubuntu 14.4
- 与您的问题相关的日志信息：
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Apr 12 16:32:25 mail postfix/postscreen[1027]: PASS NEW [42.159.161.216]:49986
Apr 12 16:32:26 mail postfix/smtpd[1030]: connect from mail-shaop0216.outbound.protection.partner.outlook.cn[42.159.161.216]
Apr 12 16:32:26 mail postfix/smtpd[1030]: NOQUEUE: reject: RCPT from mail-shaop0216.outbound.protection.partner.outlook.cn[42.159.161.216]: 451 4.7.1 <yinxl@mail.qcftech.com>: Recipient address rejected: Intentional policy rejection, please try again later; from=<yinxiaole@lzyco.com> to=<yinxl@mail.qcftech.com> proto=ESMTP helo=<cn01-SHA-obe.outbound.protection.partner.outlook.cn>
Apr 12 16:32:26 mail postfix/smtpd[1030]: disconnect from mail-shaop0216.outbound.protection.partner.outlook.cn[42.159.161.216]
Apr 12 16:33:14 mail postfix/postscreen[1027]: CONNECT from [42.159.33.210]:7291 to [123.57.24.29]:25
Apr 12 16:33:20 mail postfix/postscreen[1027]: PASS NEW [42.159.33.210]:7291
Apr 12 16:33:20 mail postfix/smtpd[1030]: connect from mail-bjbop0210.outbound.protection.partner.outlook.cn[42.159.33.210]
Apr 12 16:33:21 mail postfix/smtpd[1030]: NOQUEUE: reject: RCPT from mail-bjbop0210.outbound.protection.partner.outlook.cn[42.159.33.210]: 451 4.7.1 <yinxl@mail.qcftech.com>: Recipient address rejected: Intentional policy rejection, please try again later; from=<yinxiaole@lzyco.com> to=<yinxl@mail.qcftech.com> proto=ESMTP helo=<cn01-BJB-obe.outbound.protection.partner.outlook.cn>
Apr 12 16:33:21 mail postfix/smtpd[1030]: disconnect from mail-bjbop0210.outbound.protection.partner.outlook.cn[42.159.33.210]
Apr 12 16:36:42 mail postfix/anvil[1032]: statistics: max connection rate 1/60s for (smtpd:42.159.161.216) at Apr 12 16:32:26
Apr 12 16:36:42 mail postfix/anvil[1032]: statistics: max connection count 1 for (smtpd:42.159.161.216) at Apr 12 16:32:26
Apr 12 16:36:42 mail postfix/anvil[1032]: statistics: max cache size 2 at Apr 12 16:33:20
Apr 12 16:43:13 mail postfix/postscreen[1132]: CONNECT from [42.159.33.213]:7403 to [123.57.24.29]:25
Apr 12 16:43:13 mail postfix/postscreen[1132]: PASS OLD [42.159.33.213]:7403
Apr 12 16:43:13 mail postfix/smtpd[1133]: connect from mail-bjbop0213.outbound.protection.partner.outlook.cn[42.159.33.213]
Apr 12 16:43:13 mail postfix/smtpd[1133]: A07B1618AC: client=mail-bjbop0213.outbound.protection.partner.outlook.cn[42.159.33.213]
Apr 12 16:43:13 mail postfix/cleanup[1141]: A07B1618AC: message-id=<E429F6EA-B832-4E2A-BB9E-F93E757FF538@lzyco.com>
Apr 12 16:43:13 mail postfix/qmgr[31312]: A07B1618AC: from=<yinxiaole@lzyco.com>, size=3084, nrcpt=1 (queue active)
Apr 12 16:43:13 mail postfix/smtpd[1133]: disconnect from mail-bjbop0213.outbound.protection.partner.outlook.cn[42.159.33.213]
Apr 12 16:43:15 mail postfix/smtpd[1149]: connect from mail.qcftech.com[127.0.0.1]
Apr 12 16:43:15 mail postfix/smtpd[1149]: 8DB9D618BF: client=mail.qcftech.com[127.0.0.1]
Apr 12 16:43:15 mail postfix/cleanup[1141]: 8DB9D618BF: message-id=<E429F6EA-B832-4E2A-BB9E-F93E757FF538@lzyco.com>
Apr 12 16:43:15 mail postfix/qmgr[31312]: 8DB9D618BF: from=<yinxiaole@lzyco.com>, size=3545, nrcpt=1 (queue active)
Apr 12 16:43:15 mail postfix/smtpd[1149]: disconnect from mail.qcftech.com[127.0.0.1]
Apr 12 16:43:15 mail amavis[31338]: (31338-02) Passed CLEAN {RelayedInbound}, [42.159.33.213]:7403 [42.159.33.213] <yinxiaole@lzyco.com> -> <yinxl@mail.qcftech.com>, Queue-ID: A07B1618AC, Message-ID: <E429F6EA-B832-4E2A-BB9E-F93E757FF538@lzyco.com>, mail_id: qxppkVAa0zcF, Hits: -0.701, size: 3082, queued_as: 8DB9D618BF, 1815 ms
Apr 12 16:43:15 mail postfix/smtp[1146]: A07B1618AC: to=<yinxl@mail.qcftech.com>, relay=127.0.0.1[127.0.0.1]:10024, delay=2.2, delays=0.26/0.02/0.06/1.9, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 8DB9D618BF)
Apr 12 16:43:15 mail postfix/qmgr[31312]: A07B1618AC: removed
Apr 12 16:43:16 mail postfix/pipe[1150]: 8DB9D618BF: to=<yinxl@mail.qcftech.com>, relay=dovecot, delay=0.65, delays=0.01/0.1/0/0.54, dsn=2.0.0, status=sent (delivered via dovecot service)
Apr 12 16:43:16 mail postfix/qmgr[31312]: 8DB9D618BF: removed
Apr 12 16:45:33 mail postfix/postscreen[1170]: CONNECT from [200.113.165.35]:51207 to [123.57.24.29]:25
Apr 12 16:45:33 mail postfix/dnsblog[1172]: addr 200.113.165.35 listed by domain zen.spamhaus.org as 127.0.0.4
Apr 12 16:45:33 mail postfix/postscreen[1170]: PREGREET 11 after 0.46 from [200.113.165.35]:51207: EHLO User\r\n
Apr 12 16:45:33 mail postfix/postscreen[1170]: DNSBL rank 3 for [200.113.165.35]:51207
Apr 12 16:45:34 mail postfix/postscreen[1170]: DISCONNECT [200.113.165.35]:51207
Apr 12 16:46:34 mail postfix/anvil[1135]: statistics: max connection rate 1/60s for (smtpd:42.159.33.213) at Apr 12 16:43:13
Apr 12 16:46:34 mail postfix/anvil[1135]: statistics: max connection count 1 for (smtpd:42.159.33.213) at Apr 12 16:43:13
Apr 12 16:46:34 mail postfix/anvil[1135]: statistics: max cache size 1 at Apr

可以正常发邮件，收邮件正常，有时候过段时间就能收到，有时候就一直收不到，感觉时好时坏，是跟灰名单有关吗？
求教，这个问题怎么解决