对于 16.0，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/home:fee:platon/16.0/home:fee:platon.repo
zypper refresh
zypper install sendmail
对于 15.6，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/home:fee:platon/15.6/home:fee:platon.repo
zypper refresh
zypper install sendmail
对于 15.5，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/home:fee:platon/15.5/home:fee:platon.repo
zypper refresh
zypper install sendmail
对于 15.4，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/home:fee:platon/15.4/home:fee:platon.repo
zypper refresh
zypper install sendmail