My company has an old PostX server which I'm in the process of retiring. I have never used the PostX application before. I'm trying to see what the default email retention value is set to. In other words email will be deleted in "X day" if the user does not retrieve the email.
I check the /etc/postfix/mai.cf file but did not see anything regarding this setting.
Learn several ways to interact with files and get file information from the bash shell.
ls lists the contents of a directory: Using the -a flag displays hidden files: Using the -l flag formats the output in a long list: The file command gives us mor…