Dada Mail Support Forum

I just finished upgrading dada mail but unable to get to admin control panel
When I tried to login using root password, I received a warning that information is not secure, but clicking send anyway, takes me back to the previous page instead of the administration page.

My guess is that your site is served via https, but Dada Mail is being configured to run via http. Here's a blog post about that,

https://blog.dadamailproject.com/2017/0 ... ver-https/