# Turn on debug mode in Amavisd
In Amavisd config file `/etc/amavisd/amavisd.conf`, change `$log_level`, then restart amavis service.
```
$log_level = 5; # verbosity 0..5, -d
If you want to debug SpamAssassin, please update `$sa_debug` also:
$sa_debug = 1;