Install
Install the components in the order listed below - the server package needs Java, and Zimbra is configured last, once the milter is running.
- Java - verify the installed version and install OpenJDK 21 on Debian, Ubuntu and RHEL-family distributions.
- Server installation - unpack the package to
/opt/msh-zr, install the systemd services and log in to the web admin UI. - Zimbra configuration - register the milter in the Zimbra MTA with
zmprovand verify the Postfix configuration.