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  1. Jenkins
  2. JENKINS-63311

Email-ext 2.72 and no SMTP auth cause MessagingException

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: Blocker Blocker
    • email-ext-plugin
    • None
    • Jenkins 2.235.3, Email-Ext 2.72
    • 2.73

      Sending mails without SMTP authentication does not work anymore after upgrading from 2.71 to 2.72. Both SMTP Username and SMTP Password fields are empty in Jenkins config. When using emailext form a Jenkins Pipeline script, I get the following error:

      ...
 Successfully created MimeMessage
 Sending email to: XXX
 MessagingException message: No authentication mechanisms supported by both server and client
 Sending email for trigger: Always
 messageContentType = text/plain; charset=UTF-8
 Adding recipients from project recipient list
 Adding recipients from trigger recipient list
 Successfully created MimeMessage
 An attempt to send an e-mail to empty list of recipients, ignored.
 ...

      I downgraded to 2.71, cleaned the Jenkins system configuration (because downgrading actived the Use SMTP Authentification checkbox) and sending mails worked again.

          [JENKINS-63311] Email-ext 2.72 and no SMTP auth cause MessagingException

          Manuel Leonhardt created issue -
          Manuel Leonhardt made changes -
          Description Original: Sending mails without SMTP authentification does not work anymore after upgrading from 2.71 to 2.72. Both SMTP Username and SMTP Password fields are empty in Jenkins config. When using emailext form a Jenkins Pipeline script, I get the following error:
          {code:java}
          ...
           Successfully created MimeMessage
           Sending email to: XXX
           MessagingException message: No authentication mechanisms supported by both server and client
           Sending email for trigger: Always
           messageContentType = text/plain; charset=UTF-8
           Adding recipients from project recipient list
           Adding recipients from trigger recipient list
           Successfully created MimeMessage
           An attempt to send an e-mail to empty list of recipients, ignored.
           ...{code}
          I downgraded to 2.71, cleaned the Jenkins system configuration (because downgrading actived the Use SMTP Authentification checkbox) and sending mails worked again.           		New: Sending mails without SMTP authentication does not work anymore after upgrading from 2.71 to 2.72. Both SMTP Username and SMTP Password fields are empty in Jenkins config. When using emailext form a Jenkins Pipeline script, I get the following error:
          {code:java}
          ...
           Successfully created MimeMessage
           Sending email to: XXX
           MessagingException message: No authentication mechanisms supported by both server and client
           Sending email for trigger: Always
           messageContentType = text/plain; charset=UTF-8
           Adding recipients from project recipient list
           Adding recipients from trigger recipient list
           Successfully created MimeMessage
           An attempt to send an e-mail to empty list of recipients, ignored.
           ...{code}
          I downgraded to 2.71, cleaned the Jenkins system configuration (because downgrading actived the Use SMTP Authentification checkbox) and sending mails worked again.
          Alex Earl made changes -
          Released As New: 2.73
          Resolution New: Fixed [ 1 ]
          Status Original: Open [ 1 ] New: Resolved [ 5 ]

            slide_o_mix Alex Earl
            skycaptain Manuel Leonhardt
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              Created:
              Updated:
              Resolved: