damien mascord tptsdutuskerorg hi guys two different postfix installations relay_recipient_maps others mailboxes backup mx different domains course trying send email local part extension one server mail arrives destined server mail rejected email isnt recognized valid email server postfix server mydestination examplecom recipient_delimiter relay_recipient_maps hashpostfix_relay_recipients hash contains heacexample2com ok postfix server b mydestination example2com recipient_delimiter relay_recipient_maps hashpostfix_relay_recipients hash contains heacexamplecom ok try send nogudljfhexample2com hits server rejected nogudljfhexample2com considered heacexample2com ie localpartextension happens reverse way resolve still maintain relay_recipient_maps also maintain varying delimiters damien thu 07 aug 2008 024818 0800 different delimiters relay_recipient_maps