3726494 - Property value "mail.use.tls" reverts to default during application startup

The property "mail.use.tls" is set to false due to changes in JDK21 and the connection to the mail server. The property value "mail.use.tls" reverts to its default value during application startup.

Error messages observed:

• "Could not send email. Make sure your mail properties (mail.*) are correctly set."
• "Sending the email to the following server failed: smtp-ext.xxx.de:25"
• "Could not convert socket to TLS"
• "SSLHandshakeException: No subject alternative DNS name matching smtp-ext.xxx.de found

• Product: SAP Commerce Cloud
• Environment Management

mail.use.tls, property value, revert, application startup, commerce cloud, email sending failure, SMTP, TLS, configuration, local.properties, production persona, runtime configuration, error messages, SSLHandshakeException, certificate error, email exception, background processing , KBA , CEC-SCC-CLA-ENV-EMG , Environment Management , Problem