On Mon, 2006-05-08 at 17:29, Mike.Kent@xxxxxxxxxxxx wrote: > Thanks. I tried your suggestion, adding localhost and > localhost.localdomain into local-host-names, restarted sendmail and > neither sendmail -bt -d0 < /dev/null nor mail to > helocheck@xxxxxxxxxxxxxxx showed any change. Both still say sendmail's > ID is localhost.localdomain. > Masquarade_as has to do with rewriting headers. I think you are looking at what 'hostname' returns on your system. If you want to lie about that, use define(`confDOMAIN_NAME',`fake.domain.name')dnl but normally you shouldn't - you should set the system hostname correctly instead. -- Les Mikesell lesmikesell@xxxxxxxxx