So you have a CAS server which handles the authentication (IDP) and Elgg is setup to use that (SP), correct?
If so, you need to process the CAS reponse to provide the fields so Elgg can use it. Have a look here... view reply
you can find it here https://github.com/Elgg/Elgg/blob/2.3/views/default/forms/register.php here you can learn how to overrule the view with your own http://learn.elgg.org/en/stable/guides/views.html view reply
check out https://elgg.org/about/download
the "best" release is always the latest stable release (currently 2.3).
The LTS release is the last major release (currently 1.12)
Keep in mind most plugin developers will probably develop... view reply
If you click on the "Send now" button, the plugins spawns the background process waits 2 seconds and forwards you to the log page.If you get the error"No log file could be found, are you sure this newsletter is already sent."It can be that the... view reply
If you feel Elgg is lacking in certain features, there are two things you can do about it.
1. Raise awareness like you are doing here on the community and hope some developer will help you out and maybe get the feature in core.
2. And/or... view reply
Is there anything in the documentation re this Plugin and its dependency on cron?
no. The plugin depends on the Elgg notification system, which relies on the cron. You can check if your cron is working by going to /admin/statistics/cron on your... view reply