CloudLink：CloudLink 郵件通知無法運作「將電子郵件傳送至下列伺服器失敗...」。

Summary: CloudLink 郵件通知無法運作「將電子郵件傳送至下列伺服器失敗...」。

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Symptoms

郵件通知測試顯示「將電子郵件傳送至下列伺服器失敗：XXX.XXX.XXX.XXX:25」

cloudlink-errors.log： 
2023-02-20 04:39:17,377 ERROR [/cloudlink/rest/email/test (qtp1485955886-192095)] c.a.g.e.s.m.EmailNotificationServiceBean.sendTestEmail(…) (EmailNotificationServiceBean.java:179) Failed to send test email: Sending the email to the following server failed: xxxxx.xxxxx.com.xxx:25
org.apache.commons.mail.EmailException: Sending the email to the following server failed: xxxxx.xxxxx.com.xxx:25
    at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1469)
    at org.apache.commons.mail.Email.send(Email.java:1496)
...
...
...
Caused by: javax.mail.MessagingException: Could not connect to SMTP host: mailout.optus.com.xxxxx.xxxxx.com.xxx, port: 25, response: 554
    at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:2106)
    at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:712)
    at javax.mail.Service.connect(Service.java:295)
    at javax.mail.Service.connect(Service.java:176)
    at javax.mail.Service.connect(Service.java:125)
    at javax.mail.Transport.send0(Transport.java:194)
    at javax.mail.Transport.send(Transport.java:124)
    at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1459)
    ... 95 common frames omitted

Cause

HTTP 回應代碼 554 表示接收伺服器在訊息的「From」或「To Headers」中看到一些與它不相符的訊息。
造成這種情況的原因有好幾種。不正確郵件標題或寄件人已被封鎖，或不在接收郵件伺服器的允許清單中。
在這種情況下，郵件伺服器的允許清單設定僅接受允許清單上 IP 的郵件要求。

Resolution

若要解決此問題，請將 Cloudlink 節點新增至該郵件伺服器的允許清單。

Affected Products

CloudLink SecureVM, CloudLink
Article Properties
Article Number: 000211326
Article Type: Solution
Last Modified: 31 Mar 2025
Version:  6
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