vpopmail-dovecot22 from home:weberho:qmailtoaster project
Select Your Operating System
Add repository and install manually
For openSUSE Leap 15.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:weberho:qmailtoaster/openSUSE_Leap_15.2/home:weberho:qmailtoaster.repo zypper refresh zypper install vpopmail-dovecot22