ps-ipp-users is a mailing list for people working with IPP.

• ​ps-ipp-users@ifa.hawaii.edu subscription page
• ​ps-ipp-users@ifa.hawaii.edu list archive (accessible to subscribers)
• ​ps-ipp-users@ifa.hawaii.edu archive search page (accessible to subscribers)

You need a username/pw to be able to see the web page, the usual combination for the science consortium pages works; and then you need your email address and mail list password to be able to see the archive.