For openSUSE Tumbleweed RISCV run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:fdekruijf:branches:server:mail/openSUSE_Tumbleweed_RISCV/home:fdekruijf:branches:server:mail.repo
zypper refresh
zypper install postfix
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:fdekruijf:branches:server:mail/openSUSE_Tumbleweed/home:fdekruijf:branches:server:mail.repo
zypper refresh
zypper install postfix
For openSUSE Factory PowerPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:fdekruijf:branches:server:mail/openSUSE_Factory_PowerPC/home:fdekruijf:branches:server:mail.repo
zypper refresh
zypper install postfix
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:fdekruijf:branches:server:mail/15.5/home:fdekruijf:branches:server:mail.repo
zypper refresh
zypper install postfix
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:fdekruijf:branches:server:mail/15.4/home:fdekruijf:branches:server:mail.repo
zypper refresh
zypper install postfix