Per 16.0 eseguire quanto segue come root:
zypper addrepo https://download.opensuse.org/repositories/server:mail/16.0/server:mail.repo
zypper refresh
zypper install libHX
Per 15.7 eseguire quanto segue come root:
zypper addrepo https://download.opensuse.org/repositories/server:mail/15.7/server:mail.repo
zypper refresh
zypper install libHX
Per 15.6 eseguire quanto segue come root:
zypper addrepo https://download.opensuse.org/repositories/server:mail/15.6/server:mail.repo
zypper refresh
zypper install libHX