Para openSUSE Tumbleweed ejecute lo siguiente como root:
zypper addrepo https://download.opensuse.org/repositories/home:EGDFree:vacuum-im:git:qt5/openSUSE_Tumbleweed/home:EGDFree:vacuum-im:git:qt5.repo
zypper refresh
zypper install vacuum-im-plugins-gmailnotify
Para 15.6 ejecute lo siguiente como root:
zypper addrepo https://download.opensuse.org/repositories/home:EGDFree:vacuum-im:git:qt5/15.6/home:EGDFree:vacuum-im:git:qt5.repo
zypper refresh
zypper install vacuum-im-plugins-gmailnotify
Para 15.5 ejecute lo siguiente como root:
zypper addrepo https://download.opensuse.org/repositories/home:EGDFree:vacuum-im:git:qt5/15.5/home:EGDFree:vacuum-im:git:qt5.repo
zypper refresh
zypper install vacuum-im-plugins-gmailnotify