Use this command to upload file to your remote server via SSH:
Whenever we run a cron-job or send an email from the terminal in Linux environment, it auto saves an email into the terminal mail box. As time goes, the mail box can be huge and we should remove emails completely.
SSL is secured protocol between your server (your website) and client browsers. SSL encrypts all the data transferred between your server and browsers so no one in-the-middle can hack to the transfer process and view sensitive information, such as username / password (when you type to log in) or other e-commerce data.