Mailing lists on Groups.io (or our previous offering, Mailman) are administered and moderated by LF Program Managers or designated community administrators.
To contact the admins on a Groups.io list, please email <subgroupname>+owner@lists.<your-project-domain>.
To contact the admins on a Mailman list, please email <listname>-owner@lists.<your-project-domain>.
If you're not sure which list provider is used for a project, visit the lists.<your-project-domain> web page and compare with the following screenshots.
Mailman example:
Groups.io example:
