If you set the admin/mod/any group’s ’who can message this group?’ setting to ‘everyone’ then this lets anyone send that group a message, even those who are not in the PM allowed groups. That’s standard behaviour and needs no extra plugin.
If you set the admin/mod/any group’s ’who can message this group?’ setting to ‘everyone’ then this lets anyone send that group a message, even those who are not in the PM allowed groups. That’s standard behaviour and needs no extra plugin.