fetchmail from server:mail project

需要 openSUSE Tumbleweed ，用 root 執行：

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

需要 16.0 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/server:mail/16.0/server:mail.repo
zypper refresh
zypper install fetchmail

需要 15.6 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/server:mail/15.6/server:mail.repo
zypper refresh
zypper install fetchmail

需要 16.1 ，用 root 執行：

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