Binary package “ejabberd-mod-default-contacts” in ubuntu lunar

ejabberd module to add roster contact(s) upon registration

 This module allows for specifying one or more contacts that should be
 added to the user's roster automatically on successful registration
 (via "mod_register", or, for example, "ejabberdctl register").
 Note that no presence subscription is performed, and the rosters of
 the contacts are not modified.