mod_sasl2_fast: Improve handling when SASL profile unexpectedly lacks CB
This fixes a traceback reported by riau, but likely does not solve the
underlying cause, whatever that is.
---
summary: Prevent MUC participants from sending PMs
---
# Introduction
This module prevents *participants* from sending private messages to
anyone except *moderators*.
# Configuration
The module doesn't have any options, just load it onto a MUC component.
``` lua
Component "muc"
modules_enabled = {
"muc_block_pm";
}
```
# Compatibility
Branch State
-------- -----------------
0.11 Will **not** work
0.12 Should work