java.lang.NoClassDefFoundError com.sun.mail.util.MailLogger in JBoss EAP 7.x

Issue

Handler dispatch failed; nested exception is java.lang.NoClassDefFoundError: com/sun/mail/util/MailLogger. Customer is unable to use email functionality after moving from Weblogic to JBoss EAP 7.1

2019-06-25 15:18:16,567 | ERROR | example:error(206) | transaction_id="ERR_5a439637-25b8-43fd-a113-87f601b6f020" event_id="6e7af994-818c-4e91-8ea5-5af38ed824e5" app="NotificationService" event_name="INTERNAL_SERVER_ERROR" action="Exception in Notification flow" desc="Handler dispatch failed; nested exception is java.lang.NoClassDefFoundError: com/sun/mail/util/MailLogger" result="failure" reason="Handler dispatch failed; nested exception is java.lang.NoClassDefFoundError: com/sun/mail/util/MailLogger" exception_key=
(...)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NoClassDefFoundError: com/sun/mail/util/MailLogger
at javax.mail.Session.initLogger(Session.java:226)
(...)
Caused by: java.lang.ClassNotFoundException: com.sun.mail.util.MailLogger from [Module "example_deployment.war" from Service Module Loader]
        at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:198)