Mailing lists:

General

If you need help and have any question/issue when using pac4j, please use Stack Overflow with the pac4j tag.
Old messages can be read on the pac4j-users Google group
If you want to contribute or discuss some development/design issue, please use the pac4j-dev Google group
To receive the release announcements, please subscribe to the pac4j-announce Google group.

To receive the security alerts, please subscribe to the pac4j-security Google group
To privately report any security issue, send an email to [email protected]. Read the security policy first: it explains what to include in your report, which versions are supported and how the disclosure works.