CyberPanel on AWS - cannot use RainLoop after snapshot restore - advice?

[jasonhouge]

I found this: Unfortunately this was not a solution.

Solution to "authentication failed" error in Rainloop

Hi all if you face errors with logging in to Rainloop and if your logs have something as “Invalid password in passdb: crypt() failed: Invalid argument” Then there is a simple fix for this. You need to update your Dovecot to 2.3.x as bcrypt is supported by 2.3.x. The steps are as follows: Add the reposity key of dovecot to the rpm key store: sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 18A348AEED409DA1 Add the official dovecot Ubuntu Repo to sources.list (this example …

replacing
deb [arch=amd64] https://repo.dovecot.org/ce-2.3-latest/ubuntu/bionic bionic main
with
deb https://repo.dovecot.org/ce-2.3-latest/ubuntu/focal focal main
since I have ubuntu 20.04.

However, during this update of dovecot it was not clear if I should keep the original config, do a 3 way merge or save the maintainer’s version. Perhaps I performed this update incorrectly. Some clearer instructions would help.