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使用 Postfix 轉寄到 Gmail 的信件被當成垃圾來源 被擋 ?

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小弟公司有2台 WebServer A(台灣)、B(大陸),兩台用VPN相連
兩台都是用 CentOS + Nginx + PHP + MySQL
A server 有裝 Postfix 來寄 mail 且有使用帳密管制以防止垃圾跳板
B server 需要寄 mail 時,程式會登入到 A server ,再send出去。( 因為 B 在大陸,所以無法直接寄 Gmail )

A server send mail Hotmail、Gmail 都可以正常收到
B server send mail 則 Hotmail可以收到,Gmail會被擋

A server 寄 B server's mail 的 maillog , 其中比較令人在意是 message-id是空的 >.<?

Nov 11 17:30:19 ec1 postfix/smtpd[18550]: 11B0D360C68: **client=unknown[192.168.88.2], sasl_method=LOGIN, sasl_username=edm**
Nov 11 17:30:19 ec1 postfix/cleanup[18553]: 11B0D360C68: **message-id=<>**
Nov 11 17:30:19 ec1 postfix/qmgr[15737]: 11B0D360C68: from=<XXChina@XXX.com>, size=13314, nrcpt=1 (queue active)
Nov 11 17:30:19 ec1 postfix/smtp[18554]: connect to gmail-smtp-in.l.google.com[2404:6800:4008:c04::1b]:25: Network is unreachable
Nov 11 17:30:19 ec1 postfix/smtpd[18550]: disconnect from unknown[192.168.88.2]
Nov 11 17:30:20 ec1 postfix/smtp[18554]: 11B0D360C68: host gmail-smtp-in.l.google.com[74.125.203.26] said: 421-4.7.0 [60.249.152.90      15] Our system has detected that this message is 421-4.7.0 suspicious due to the very low reputation of the sending IP address. 421-4.7.0 To protect our users from spam, mail sent from your IP address has 421-4.7.0 been temporarily rate limited. Please visit 421 4.7.0  https://support.google.com/mail/answer/188131 for more information. dh16si2427802pac.207 - gsmtp (in reply to end of DATA command)
Nov 11 17:30:20 ec1 postfix/smtp[18554]: connect to alt1.gmail-smtp-in.l.google.com[2607:f8b0:4003:c03::1a]:25: Network is unreachable
Nov 11 17:30:22 ec1 postfix/smtp[18554]: 11B0D360C68: to=<funwinwu@gmail.com>, relay=alt1.gmail-smtp-in.l.google.com[74.125.30.27]:25, delay=3.6, delays=0.3/0.01/2.2/1.1, dsn=4.7.0, status=deferred (host alt1.gmail-smtp-in.l.google.com[74.125.30.27] said: 421-4.7.0 [61.218.229.39      15] Our system has detected that this message is 421-4.7.0 suspicious due to the very low reputation of the sending IP address. 421-4.7.0 To protect our users from spam, mail sent from your IP address has 421-4.7.0 been temporarily rate limited. Please visit 421 4.7.0  https://support.google.com/mail/answer/188131 for more information. i6si4997012oif.243 - gsmtp (in reply to end of DATA command))

想請問怎麼做,B server 的信件才不會被Gmail擋 ?

看更多先前的討論...收起先前的討論...
hon2006 iT邦大師 1 級 ‧ 2016-11-22 09:38:22 檢舉
先解決b server ,dns 解析問題
hon2006 iT邦大師 1 級 ‧ 2016-11-22 09:40:35 檢舉
可以參考 https://github.com/ustclug/discussions/issues/15
正確來說,對岸無法登入 GMAIL 伺服器,但是可以發信見到 GMAIL 才對
否則我們公司要如何收來自對岸的信件啊
建議啦,直接讓 B 發信出去看看,可以寄達就沒問題了
我們公司也是用 GMIAL 的伺服器收發對岸的信件
沒遇過問題,只是公司人員去對岸時,只能透過 VPN 翻牆才能收發信件
funwinwu iT邦新手 4 級 ‧ 2016-11-23 08:11:00 檢舉
感謝 hon2006 , 窮嘶 , 1. DNS 並不是小弟在維護,只能儘量問看看了~~
2. 我會試看看 B 直接發..... ^^"
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1 個回答

0
海綿寶寶
iT邦大神 1 級 ‧ 2016-11-22 09:33:31

簡單說
那台大陸機已經被 Google 拉黑

尼克 iT邦大師 1 級 ‧ 2016-11-22 10:18:53 檢舉

拉黑?的概念是?

Our system has detected that this message is 421-4.7.0 suspicious due to the very low reputation of the sending IP address.

/images/emoticon/emoticon20.gif

尼克 iT邦大師 1 級 ‧ 2016-11-22 14:55:44 檢舉

你也看太細了!/images/emoticon/emoticon12.gif

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