rubygem-net-imap from openSUSE:infrastructure:redmine project
Seleccione o seu sistema operativo
Engadir repositorio e instalar manualmente
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:infrastructure:redmine/15.6/openSUSE:infrastructure:redmine.repo zypper refresh zypper install rubygem-net-imap