How to Configure Email Notification in Jenkins? - The Official 360logica Blog
https://www.360logica.com/blog/email-notification-in-jenkins/

Mailer - Jenkins - Jenkins Wiki
https://wiki.jenkins.io/display/JENKINS/Mailer

smtp - Configuring Jenkins email notification with gmail - Stack Overflow
https://stackoverflow.com/questions/13512948/configuring-jenkins-email-notification-with-gmail

[JENKINS-47939] Unable to send mail to smtp.office365.com, port 587, using TLS - Jenkins JIRA
https://issues.jenkins-ci.org/browse/JENKINS-47939

Error when sending email with jenkins - Stack Overflow
https://stackoverflow.com/questions/11628065/error-when-sending-email-with-jenkins