SMTP Issue

I have updated the below things in my configuration, I am using my domain email smtp credentials. when i am testing notification so i am getting error NullPointerException (PropertiesProvider:45 < SmtpMailManager:69 < *:108 < *:99 < NotificatorMail:47 < ...)

its support only gmail or i can configure using any smtp

<entry key='mail.smtp.host'>smtp.gmail.com</entry>
<entry key='mail.smtp.port'>465</entry>
<entry key='mail.smtp.ssl.enable'>true</entry>
<entry key='mail.smtp.from'>traccar@gmail.com</entry>
<entry key='mail.smtp.auth'>true</entry>
<entry key='mail.smtp.username'>traccar@gmail.com</entry>
<entry key='mail.smtp.password'>password</entry>

It looks like you're not using the latest official release.

I have same issue, I am using 5.11 version but same error getting try with new code same issue

No, it won't be the same if you use the latest official release.