I have now integrated 'sendemail' to the container and updated it in a few other different ways (Please be sure to the Container on the Docker page before trying this).   To send a mail configure luckyBackup like this:   Please notice that I have appended '-xu' (SMTP username) and '-xp' (SMTP user password) to the arguments to actually being able to send an email because my mail server, as I think most mailservers nowerdays, need a authentication and it works without a