sudo mkdir -p /decide/postal/app sudo wget sudo tar xvf most recent.tgz -C /decide/postal/app sudo chown -R postal:postal /opt/postal sudo ln -s /decide/postal/application/bin/postal /usr/bin/postal You want your gadget or software to send from Every user's email handle and don't want Every consumer's mailbox credentials configured to make use of SMTP https://zanevfjkk.theideasblog.com/27158955/company-dns-server-install-things-to-know-before-you-buy