[Zope] what product for authentication from db?

[Robert Boyd]

Zope newbie here...

I have a group of users on an existing system that
holds user/password info in a postgres database. I now
am building a Zope application that these same users
will log into.  I want to authenticate from my
database.

I can't make out which product is best and most
up-to-date for this -- the New Riders Zope Book talks
about LoginManager, but it apparently won't work with
the most recent Zope.

So, Extensible User Folder, Generic User Folder,
Simple User Folder, or something else?

Thanks for any recommendations.

rob



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