For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:NMorey/openSUSE_Tumbleweed/home:NMorey.repo
zypper refresh
zypper install imapsync
For openSUSE Slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:NMorey/openSUSE_Slowroll/home:NMorey.repo
zypper refresh
zypper install imapsync
For 15.7 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:NMorey/15.7/home:NMorey.repo
zypper refresh
zypper install imapsync
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:NMorey/15.6/home:NMorey.repo
zypper refresh
zypper install imapsync