title: The certificate from domain name is not trusted from mattermost android app
body: <p>I implemented a mattermost server and enabled ssl connection. I can connect to server in browser from my computer and my android phone also from Desktop app. But when i try connect to server from android app , i get this error :
  &quot;the certificate from domain name is not trusted &quot; . i searched a lot but i can not find any appropriate solution.did anybody has this problem before ?</p>
  <p>mattermost server Version: 5.28.0
  ;mattermost Build Number: 5.28.1
  ; mattermost android app version : 1.37.0</p>
  <p>Thankyou</p>