Unfortunately, after the update 18.0.45.1 the mail traffic does not work yet!
Please solve the problem quickly, as this error causes great damage.
Thank you!
Hello,
today at 5 pm I received a message in Plesk that Plesk version 18.0.45 had been installed.
Since then we have also had the problem described above with the same error message.
Is it possible to undo the update? For example, through System Restore?
And where can I switch off the...