Tcpaccessattr Option

The  option -- available for the MMP, IMAP proxy, POP proxy, and virtual domains -- specifies the name of a per-user LDAP attribute that contains a  wrap-style filter describing the TCP access control for the user.

The default value is: mailAllowedServiceAccess

See also:
 * tcpaccess Option
 * TCP wrapper filter syntax
 * MMP and IMAP Proxy and POP Proxy and vdomain options
 * vdomain options