Thats where I originally started ;) Cheers though Martin.Hepworth wrote: > Seamus > I'd start here.. > > > > http://wiki.mailscanner.info/doku.php?id=documentation:configuration:mta > :postfix:how_to:reject_non_existent_users > > > -- > Martin Hepworth > Snr Systems Administrator > Solid State Logic > Tel: +44 (0)1865 842300 > >