Ldap domain attr routing hosts MTA option

Direct LDAP attribute name MTA options:  (LDAP attribute name)
The  MTA option names the domain LDAP attribute, by default , used to specify the hosts that are responsible for performing routing for this domain. If this MTA is one such host, then the user address will be looked up and attributes processed. Otherwise, the address will be routed onwards: by default, just routing based on rewriting the address, but if the MTA option   is set, then the first   value will be inserted into the address as a source route (hence the rewriting routing will depend upon that host name).

Note that delivery options can be marked as mail host independent, thereby meaning that processing should occur regardless of whether this MTA is one of the ; see the    MTA option.

See also:
 * Direct LDAP attribute name MTA options
 * route_to_routing_host MTA Option
 * delivery_options MTA Option