javax.mail.MessagingException: Could not connect to SMTP host: mail.recondotech.com, port: 25, response: 421

Jenkins JIRA | Adam Sloan | 5 years ago
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    Cannot send e-mail notifications on jenkins

    Stack Overflow | 2 years ago | vjangra
    javax.mail.MessagingException: Could not connect to SMTP host:localhost, port: 25, response: 421
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Root Cause Analysis

  1. javax.mail.MessagingException

    Could not connect to SMTP host: mail.recondotech.com, port: 25, response: 421

    at com.sun.mail.smtp.SMTPTransport.openServer()
  2. JavaMail API (compat)
    SMTPTransport.protocolConnect
    1. com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1922)
    2. com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:638)
    2 frames
  3. JavaMail API
    Transport.send
    1. javax.mail.Service.connect(Service.java:295)
    2. javax.mail.Service.connect(Service.java:176)
    3. javax.mail.Service.connect(Service.java:125)
    4. javax.mail.Transport.send0(Transport.java:194)
    5. javax.mail.Transport.send(Transport.java:124)
    5 frames
  4. Hudson
    MailSender.execute
    1. hudson.tasks.MailSender.execute(MailSender.java:114)
    1 frame
  5. Hudson Maven Embedder
    MavenModuleSetBuild$RunnerImpl.cleanUp
    1. hudson.maven.MavenModuleSetBuild$RunnerImpl.cleanUp(MavenModuleSetBuild.java:1012)
    1 frame
  6. Hudson
    Run.run
    1. hudson.model.Run.run(Run.java:1465)
    1 frame
  7. Hudson Maven Embedder
    MavenModuleSetBuild.run
    1. hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:477)
    1 frame
  8. Hudson
    Executor.run
    1. hudson.model.ResourceController.execute(ResourceController.java:88)
    2. hudson.model.Executor.run(Executor.java:238)
    2 frames