By default, probe messages are delivered via the same route as regular messages. The following parameters can be used to override specific message routing mechanisms.
address_verify_relayhost ($relayhost)
Overrides the relayhost parameter setting for address verification probes.
address_verify_transport_maps ($transport_maps)
Overrides the transport_maps parameter setting for address verification probes.
address_verify_local_transport ($local_transport)
Overrides the local_transport parameter setting for address verification probes.
address_verify_virtual_transport ($virtual_transport)
Overrides the virtual_transport parameter setting for address verification probes.
address_verify_relay_transport ($relay_transport)
Overrides the relay_transport parameter setting for address verification probes.
address_verify_default_transport ($default_transport)
Overrides the default_transport parameter setting for address verification probes.
Available in Postfix 2.3 and later:
address_verify_sender_dependent_relayhost_maps ($sender_dependent_relayhost_maps)
Overrides the sender_dependent_relayhost_maps parameter setting for address verification probes.
Available in Postfix 2.7 and later:
address_verify_sender_dependent_default_transport_maps ($sender_dependent_default_transport_maps)
Overrides the sender_dependent_default_transport_maps parameter setting for address verification probes.