Default values are shown after the parameter name in parentheses, and can be looked up with the "postconf -d" command.
Note: this is not an invitation to make changes to Postfix configuration parameters.
If the database becomes corrupted, the world comes to an end.
This feature is available in Postfix 2.6 and later.
The amount of time between verify(8) address verification database cleanup runs.
This form is supported with Postfix versions ≥ 3.0.
The remainder of this document is a description of all Postfix configuration parameters.
As a migration aid, an attempt to open the file under a non-Postfix directory is redirected to the Postfix-owned data_directory, and a warning is logged.
Examples: Enable caching of failed address verification probe results.
When this feature is enabled, the cache may pollute quickly with garbage.
When this feature is disabled, Postfix will generate an address probe for every lookup.
This is the default with Postfix version 2.6 and earlier.