Help: Mail - Let's Encrypt validation status 400

Hi, I’m new here and first of all I want to thank you all for forking VestaCP and make it more secure and stable! After that, I need your help…
As you can read in the Title, I have my domain hosted in my VPS, so I can access Hestia Panel from my domain name instead of IP and future domain will be point my vps using and… I’ve created a website with dns and email support, enabling let’s encrypt, save and everyting works as expected! the problem is, when I want to enable let’s encrypt for emails!
Everytime I hit save, it returns “Error: Let’s Encrypt validation status 400. Details” without any futher explain!
There’s anyone that can help me to find out the problem?

My VPS is Ubuntu 16.04 (x86_64), fresh installed with Hestia v1.1.1

Thanks to all!

Hi and welcome to our forum!

Glad you got it working so far, for the let’s encrypt issue i would like to point you to forum search, there are already a few threads to this problem, as example: Debian 9 / Ubuntu 18.04 LetsEncrypt Error