$ hsh --without-stuff --ini --pkg-build=,
$ hsh-install courier-imap
[...]
warning: user courier does not exist - using root
warning: group courier does not exist - using root
libcourier-authlib-0.59.1-alt1
[...]
warning: user courier does not exist - using root
warning: group courier does not exist - using root
warning: user courier does not exist - using root
warning: group courier does not exist - using root
warning: user courier does not exist - using root
warning: group courier does not exist - using root
courier-authlib-0.59.1-alt1

By default this package only have a PAM backend support.
For additional backends install appropriate package:
  Berkeley DB -- courier-authlib-userdb
  LDAP        -- courier-authlib-ldap
  PostgreSQL  -- courier-authlib-pgsql
  MySQL       -- courier-authlib-mysql

courier-imap-utils-4.1.2-alt1
[...]
courier-imap-4.1.2-alt1
Generating SSL cert for imapd-ssl: /var/lib/ssl/certs/imapd.pem - done.
Generating SSL cert for pop3d-ssl: /var/lib/ssl/certs/pop3d.pem - done.