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Bug
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Resolution: Fixed
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Blocker
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None
Hi
Mail sending stopped when updated email-ext-plugin from the v2.78 to 2.79
Error as below
[Pipeline] emailextCould not find valid mail account[Pipeline] }
[JENKINS-64141] Restore localhost as default SMTP server
Basil Crow
added a comment - Please provide the following information:
- A redacted version of the <mailAccount/> and <addAccounts/> sections of ${JENKINS_HOME}/hudson.plugins.emailext.ExtendedEmailPublisher.xml. Please remember to redact sensitive information from the configuration before posting it (e.g., remove actual server names, usernames, and passwords).
- A redacted build log with debug mode enabled. Go to Manage Jenkins, click on Configure System, and in the Extended E-mail Notification section check Enable Debug Mode to enable debug mode for the Email Extension plugin. This will add additional log output to the build log for debugging purposes. Please remember to redact the build log before posting it (e.g., remove actual email addresses, etc).
Basil Crow
added a comment - Please provide the following information:
A redacted version of the <mailAccount/> and <addAccounts/> sections of ${JENKINS_HOME}/hudson.plugins.emailext.ExtendedEmailPublisher.xml . Please remember to redact sensitive information from the configuration before posting it (e.g., remove actual server names, usernames, and passwords).
A redacted build log with debug mode enabled. Go to Manage Jenkins, click on Configure System, and in the Extended E-mail Notification section check Enable Debug Mode to enable debug mode for the Email Extension plugin. This will add additional log output to the build log for debugging purposes. Please remember to redact the build log before posting it (e.g., remove actual email addresses, etc).
David Hows
added a comment - I ran into this issue aswell.
It looks like the mail plugin no longer has a default override for no "SMTP Server" configuration value. I set "SMTP Server" to localhost and this fixed the issues.
David Hows
added a comment - I ran into this issue aswell.
It looks like the mail plugin no longer has a default override for no "SMTP Server" configuration value. I set "SMTP Server" to localhost and this fixed the issues. 
Matthieu Baerts
added a comment - Hi,
It looks like the mail plugin no longer has a default override for no "SMTP Server" configuration value. I set "SMTP Server" to localhost and this fixed the issues.
da5id_: Thank you for this comment, this fixes the issues I had on my side too after the switch to 2.79.
basil: do you still need extra debug info?
Matthieu Baerts
added a comment - Hi,
It looks like the mail plugin no longer has a default override for no "SMTP Server" configuration value. I set "SMTP Server" to localhost and this fixed the issues.
da5id_ : Thank you for this comment, this fixes the issues I had on my side too after the switch to 2.79.
basil : do you still need extra debug info? 
Thomas de Grenier de Latour
added a comment - I've just submitted a simple PR to restore pre-2.79 behavior (tolerate that SMTP server is not explicitly configured, which then means using localhost):
Thomas de Grenier de Latour
added a comment - I've just submitted a simple PR to restore pre-2.79 behavior (tolerate that SMTP server is not explicitly configured, which then means using localhost):
https://github.com/jenkinsci/email-ext-plugin/pull/262 Basil Crow
added a comment - Fixed in jenkinsci/email-ext-plugin#262.
Incremental build email-ext-2.80-rc1422.b0249ccb299a is available for testing. The incremental build is available from: https://repo.jenkins-ci.org/incrementals/org/jenkins-ci/plugins/email-ext/2.80-rc1422.b0249ccb299a/
chetub, da5id_, matttbe, and tom_gl, can you please test the incremental build and confirm the issue is resolved? For instructions on how to install a custom build, see: https://www.jenkins.io/doc/book/managing/plugins/#advanced-installation
Basil Crow
added a comment - Fixed in jenkinsci/email-ext-plugin#262 .
Incremental build email-ext-2.80-rc1422.b0249ccb299a is available for testing. The incremental build is available from: https://repo.jenkins-ci.org/incrementals/org/jenkins-ci/plugins/email-ext/2.80-rc1422.b0249ccb299a/
chetub , da5id_ , matttbe , and tom_gl , can you please test the incremental build and confirm the issue is resolved? For instructions on how to install a custom build, see: https://www.jenkins.io/doc/book/managing/plugins/#advanced-installation Basil Crow
added a comment - Released in 2.80 .
ERROR
Could not find valid mail account