Signing all emails will help to avoid email tampering and secure email originality, both of which might be essential for your server to archive superior sending scores. sudo mkdir -p /choose/postal/app sudo wget sudo tar xvf latest.tgz -C /opt/postal/app sudo chown -R postal:postal /opt/postal sudo ln -s /opt/postal/app/bin/postal /usr/bin/postal By https://cheapbookmarking.com/story16830308/virtual-machine-install-fundamentals-explained