Android is really picky about certificates. You need to load a bundle onto the Android device that contains the full trust chain… the certificate for the Mattermost server, any and all intermediate CAs that signed it, the root, everything.
Android is really picky about certificates. You need to load a bundle onto the Android device that contains the full trust chain… the certificate for the Mattermost server, any and all intermediate CAs that signed it, the root, everything.