iredapd / TODO

Zhang Huangbin 6143b46 

* Check log type and log into correct logger handler.
* Per-maillist restrictions:
    - Verify recipient address is mail list.
    - Show sender & recipient in
    - Handle multiple access policies.
    - Always convert value of access policy to lower case string.
    - Set filter attributes in config file instead of hardcode here
    - If access policy is 'memberOnly', how about a fake email address?
    - Set logging level in config file.

* Per-user restrictions: