By default, Bamboo uses TLS 1.0 to send email notifications. Since TLS 1.0 is well known for security vulnerabilities, the documentation should show this information and the instructions on how to change to TLS 1.2

• Configuring Bamboo to send SMTP Email

I suggest adding a box on the top of the page with the default TLS version that Bamboo uses and the steps on how to change to TLS 1.2. This is done by adding:

-Dmail.smtp.ssl.protocols=TLSv1.2

To the Java arguments following Configuring your system properties