For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/isv:heinlein-support/openSUSE_Tumbleweed/isv:heinlein-support.repo
zypper refresh
zypper install amavisd-new
For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/isv:heinlein-support/openSUSE_Factory/isv:heinlein-support.repo
zypper refresh
zypper install amavisd-new
For openSUSE 13.1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/isv:heinlein-support/openSUSE_13.1/isv:heinlein-support.repo
zypper refresh
zypper install amavisd-new