From Mageia wiki
Steps to create a bugzilla account to assign bugs to a mailing list :
- In bugzilla admin, set DB as first in the list of active authentication methods for user_verify_class on https://bugs.mageia.org/editparams.cgi?section=auth
- Create the new user (as disabled) on https://bugs.mageia.org/editusers.cgi?action=add
- Remove DB from the list of active authentication methods for user_verify_class on https://bugs.mageia.org/editparams.cgi?section=auth