メール送信の失敗: Confluence での javax.mail.MessagingException
症状
Sending a test email will produce the following errors in the test mail dialog box and in the atlassian-confluence.log:
com.atlassian.mail.MailException: javax.mail.MessagingException: [EOF]
at com.atlassian.mail.server.impl.SMTPMailServerImpl.send(SMTPMailServerImpl.java:191)
at com.atlassian.confluence.jmx.JmxSMTPMailServer.send(JmxSMTPMailServer.java:71)
at com.atlassian.confluence.admin.actions.mail.SendTestEmailAction.execute(SendTestEmailAction.java:52)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:168)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
at com.opensymphony.xwork.interceptor.DefaultWorkflowInterceptor.intercept(DefaultWorkflowInterceptor.java:55)
at com.atlassian.confluence.core.ConfluenceWorkflowInterceptor.intercept(ConfluenceWorkflowInterceptor.java:37)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
at com.atlassian.xwork.interceptors.XsrfTokenInterceptor.intercept(XsrfTokenInterceptor.java:100)
...
Caused by: javax.mail.MessagingException: [EOF]
at com.sun.mail.smtp.SMTPTransport.issueCommand(SMTPTransport.java:1481)
at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:1512)
at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:1054)
at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:634)
at javax.mail.Transport.send0(Transport.java:189)
at javax.mail.Transport.send(Transport.java:118)
at alt.javax.mail.TransportImpl.send(TransportImpl.java:18)
at com.atlassian.mail.server.impl.SMTPMailServerImpl.send(SMTPMailServerImpl.java:177)
... 203 more原因
Usually this error is related to the Mail Exchange server's configuration. It is due to the Mail Server not being updated to allow relay from the Confluence server. Adding the Confluence server's IP to the range of allowed relay hosts resolves this.
ソリューション
Add the Confluence server's IP to the range of allowed relay hosts.
最終更新日 2025 年 5 月 19 日
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