So I decided to try the trial version of cpanel / whm, on 2 servers.
Whm one I installed with the latest version centos offering digitalocean in installation telling me what was recommended earlier, but even so I installed it and it worked perfectly, 0 errors.
Then installed it on another VPS, also use centos, but may not use the latest version but the penultimate (I wanted to avoid the above warning), I installed it and as well the facility did not come out the message recommendation, until then everything was fine, was a day after I started having failures, could not log in as root or ssh, or for whm fortunately changed my password from the panel digitalocean, have now been 2 days and I see that I can not access my emails (had 6 post created with my domain), and worked previously been linked with thunderbird, now I have no access to them nor thunderbird or webmail, I changed the password, thinking that was the problem and nothing,
Does anybody could tell me what that is possibly happening?
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