postsrsd from server:mail project

For openSUSE Tumbleweed run the following as root:

zypper addrepo https://download.opensuse.org/repositories/server:mail/openSUSE_Tumbleweed/server:mail.repo
zypper refresh
zypper install postsrsd

For openSUSE Factory zSystems run the following as root:

zypper addrepo https://download.opensuse.org/repositories/server:mail/openSUSE_Factory_zSystems/server:mail.repo
zypper refresh
zypper install postsrsd

For openSUSE Factory PowerPC run the following as root:

zypper addrepo https://download.opensuse.org/repositories/server:mail/openSUSE_Factory_PowerPC/server:mail.repo
zypper refresh
zypper install postsrsd

For SLE 15 SP2 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/server:mail/SLE_15_SP2/server:mail.repo
zypper refresh
zypper install postsrsd

For SLE 12 SP5 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/server:mail/SLE_12_SP5/server:mail.repo
zypper refresh
zypper install postsrsd