Authservice Option

If  is set to 1 and    is positive, the MMP will allow queries about who is currently logged into the MMP, for the purpose of POP before SMTP relay authentication. This option is available at the  and   levels. This option should almost never be turned on globally; you should configure this by virtual domain. Setting the  parameter to 1 permits probing of the authservice cache with the xqueryauth ip-address command over the POP protocol.

The default value is: 0

See also:
 * authservicettl Option
 * MMP and IMAP Proxy and POP Proxy and vdomain options