Erwan David: > >>> You might want to use sender_dependent_relayhost_maps, to set an empty > >>> relayhost for this sender My >>doc says it appeared in 2.3, so it should > >>> be Ok in 2.6.6 > > The warning is returned when I run the following command: > > > > # postmap /etc/postfix/relayhost_maps > > postmap: warning: /etc/postfix/relayhost_maps, line 1: expected format: key > > whitespace value > > I never used the feature so never had to define an empty relayhost this > way...
His problem is with the relayhost_maps file, he needs to specify a lookup key (sender address) and result value (relay host). Wietse