* **disable_email_validation** (Boolean) - Disables the check if a mail address is in a valid format and can be resolved via DNS.
* **disable_url_validation** (Boolean) - Disables the DNS lookup of an URL.
* **disable_password_exposed** (Boolean) - Disable the exposition check against the remote haveibeenpwned API on password change. Default value is false.
-* **dlogfile - location of the developer log file
-* **dlogip - restricts develop log writes to requests originating from this IP address
+* **dlogfile** - location of the developer log file
+* **dlogip** - restricts develop log writes to requests originating from this IP address
* **frontend_worker_timeout** - Value in minutes after we think that a frontend task was killed by the webserver. Default value is 10.
* **hsts** (Boolean) - Enables the sending of HTTP Strict Transport Security headers
* **ignore_cache** (Boolean) - For development only. Disables the item cache.
* **pushpoll_frequency** -
* **qsearch_limit** - Default value is 100.
* **remove_multiplicated_lines** (Boolean) - If enabled, multiple linefeeds in items are stripped to a single one.
+* **sendmail_params** (Boolean) - Normal sendmail command parameters will be added when the PHP mail() function is called for sending e-mails. This ensures the Sender Email address setting is applied to the message envelope rather than the host's default address. Default is true. Set to false if your non-sendmail agent is incompatible, or to restore old behavior of using the host address.
* **show_unsupported_addons** (Boolean) - Show all addons including the unsupported ones.
* **show_unsupported_themes** (Boolean) - Show all themes including the unsupported ones.
* **show_global_community_hint** (Boolean) - When the global community page is enabled, use this option to display a hint above the stream, that this is a collection of all public top-level postings that arrive on your node.
* **throttle_limit_month** - Maximum number of posts that a user can send per month with the API.
* **wall-to-wall_share** (Boolean) - Displays forwarded posts like "wall-to-wall" posts.
* **worker_cooldown** - Cooldown time after each worker function call. Default value is 0 seconds.
+* **worker_load_exponent** (Integer) - Default 3, which allows only 25% of the maximum worker queues when server load reaches around 37% of maximum load. For a linear response where 25% of worker queues are allowed at 75% of maximum load, set this to 1. Setting 0 would allow maximum worker queues at all times, which is not recommended.
* **xrd_timeout** - Timeout for fetching the XRD links. Default value is 20 seconds.
## experimental ##