So I went ahead, and this is the final result, with regards to 465 port: enrico@enrico-i7:~$ openssl s_client -connect mail.fucine.email:465 CONNEC...

In fact look at here. Self signed SSL certificate for 465: enrico@nvme:~$ openssl s_client -connect 000000.it:465 CONNECTED(00000003) depth=0 OU =...

In the end it should be used hostname -f and not hostname -d for this command to actually work Nope, in the end hostname -d is doing its job, but ...

I think to have discovered a little bug in the "Fan Made Script" (ce_installation_script_public_UB_v3.sh), when it comes to the "# Function to Change ...

@sharif I think that there's repetition in your script; try looking for ${!hostnames[@]} and you'll find two identical blocks: one dealing with "#...