Members : No deletion of own threads & posts ?

[Suri.CMS]

Hi All,
I don't want anyone (except moderators & admins) to be able to delete their own posts / threads.

How do I set that ?

Do I need to set this for each USER GROUP in USER GROUP MANAGER ?

[Stratto]

Usergroups > Usergroup Manager > Post /Thread Permissions > Can Delete Own Threads

Each usergroup.