Exim

Exim - 發件人驗證失敗 - 拒絕 RCPT

  • September 12, 2021

在檢查 Exim 的日誌消息時,我發現以下消息的許多條目“發件人驗證失敗”“RCPT 被拒絕”……我不是 exim 專家……我擔心 Exim 沒有將 100% 的電子郵件發送給收件人,因為我們的電子郵件行銷應用程序的打開率較低。

有人可以幫助理解此日誌消息嗎?是我的伺服器說“這裡沒有這樣的使用者”還是遠端伺服器?174.111.111.11 代表我的伺服器IP。謝謝

進出口日誌

2010-10-02 14:00:19 SMTP connection from myserverdomain.com.br () [174.111.111.11]:54514 I=[174.111.111.11]:25 closed by QUIT
2010-10-02 14:00:19 SMTP connection from [174.111.111.11]:54515 I=[174.111.111.11]:25 (TCP/IP connection count = 2)
2010-10-02 14:00:19 H=myserverdomain.com.br () [174.111.111.11]:54515 I=[174.111.111.11]:25 Warning: Sender rate 672.4 / 1h
2010-10-02 14:00:19 H=myserverdomain.com.br () [174.111.111.11]:54515 I=[174.111.111.11]:25 sender verify fail for <fernandagaglianone=oi.com.br--2723--bounce@e-mydomain.com.br>: No Such User Here
2010-10-02 14:00:19 H=myserverdomain.com.br () [174.111.111.11]:54515 I=[174.111.111.11]:25 F=<fernandagaglianone=oi.com.br--2723--bounce@e-mydomain.com.br> rejected RCPT <fernandagaglianone@oi.com.br>: Sender verify failed

2010-10-02 14:00:19 SMTP connection from myserverdomain.com.br () [174.111.111.11]:54515 I=[174.111.111.11]:25 closed by QUIT
2010-10-02 14:00:19 SMTP connection from [174.111.111.11]:54516 I=[174.111.111.11]:25 (TCP/IP connection count = 2)
2010-10-02 14:00:19 H=myserverdomain.com.br () [174.111.111.11]:54516 I=[174.111.111.11]:25 Warning: Sender rate 673.3 / 1h
2010-10-02 14:00:19 H=myserverdomain.com.br () [174.111.111.11]:54516 I=[174.111.111.11]:25 sender verify fail for <littlepet.chaves=gmail.com--2723--bounce@e-mydomain.com.br>: No Such User Here
2010-10-02 14:00:19 H=myserverdomain.com.br () [174.111.111.11]:54516 I=[174.111.111.11]:25 F=<littlepet.chaves=gmail.com--2723--bounce@e-mydomain.com.br> rejected RCPT <littlepet.chaves@gmail.com>: Sender verify failed

2010-10-02 14:00:19 SMTP connection from myserverdomain.com.br () [174.111.111.11]:54516 I=[174.111.111.11]:25 closed by QUIT
2010-10-02 14:00:19 SMTP connection from [174.111.111.11]:54517 I=[174.111.111.11]:25 (TCP/IP connection count = 2)
2010-10-02 14:00:19 H=myserverdomain.com.br () [174.111.111.11]:54517 I=[174.111.111.11]:25 Warning: Sender rate 674.3 / 1h
2010-10-02 14:00:20 H=myserverdomain.com.br () [174.111.111.11]:54517 I=[174.111.111.11]:25 sender verify fail for <Luciene_souza_vasconcellos=hotmail.com--2723--bounce@e-mydomain.com.br>: No Such User Here
2010-10-02 14:00:20 H=myserverdomain.com.br () [174.111.111.11]:54517 I=[174.111.111.11]:25 F=<Luciene_souza_vasconcellos=hotmail.com--2723--bounce@e-mydomain.com.br> rejected RCPT <Luciene_souza_vasconcellos@hotmail.com>: Sender verify failed

這些消息是 Exim 辨識傳入電子郵件(伺服器 - 發件人)的兩個問題:

  • 伺服器在給定時間內嘗試了太多次(錘擊)
  • “收件人”地址和郵箱不存在

您的伺服器很可能會嘗試驗證發件人的電子郵件地址,但發現沒有這樣的地址。這是一種過濾不請自來的電子郵件的好方法,儘管並非萬無一失。

為了驗證這一點,exim 伺服器根據“MAIL FROM”命令連接到發送郵件的遠端 SMTP 伺服器。如果無法訪問伺服器,或者它不知道該特定電子郵件地址,則拒絕傳遞。

因此,錯誤消息最初是由“e-mydomain.com.br”的 MX 伺服器給出的。當您的伺服器發現電子郵件來自一個不存在的地址時,它會拒絕發送。

為此,exim 配置包含如下條目:

deny message = Sender verify failed
    !verify = sender

檢查你的配置,如果你看到這樣的東西,那麼錯誤的原因是你的伺服器拒絕了來自無法驗證的地址的郵件。

在這種情況下,您可能不想更改它。就像我說的,檢查發件人是件好事。無論如何,現實世界的發件人確實有一個有效的電子郵件地址。

引用自:https://serverfault.com/questions/186928