需要 openSUSE Tumbleweed ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:aredridel/openSUSE_Tumbleweed/home:aredridel.repo
zypper refresh
zypper install opensmtpd
需要 openSUSE Factory ARM ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:aredridel/openSUSE_Factory_ARM/home:aredridel.repo
zypper refresh
zypper install opensmtpd
需要 openSUSE Factory ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:aredridel/openSUSE_Factory/home:aredridel.repo
zypper refresh
zypper install opensmtpd