But there is just one problem still left, i now use 8gb ram vps and also the sending velocity only all-around 50 emails/minute. The postal repository, you installed before, is effective at creating some configuration information to use OverlayFS has enhanced performance and now also handles copying immutable/append/sync/noatime attributes. https://zanekxopj.wikigdia.com/6278806/install_virtualmin_no_further_a_mystery