4. Optionally, tick the Empower SSL checkbox to enable the secure transferring of emails in encrypted structure. sudo mkdir -p /opt/postal/application sudo wget sudo tar xvf most up-to-date.tgz -C /choose/postal/application sudo chown -R postal:postal /decide/postal sudo ln -s /opt/postal/app/bin/postal /usr/bin/postal If you have to use virtualization on Home windows 11, https://www.hostscheap.com/whmcs-migration-service