On Fri, 2005-02-18 at 16:39 +0000, Paul Howarth wrote: > Sendmail has a facility called "mailertable" that allows you to specify > different relay hosts for different recipient domains. I expect Postfix > has an equivalent feature. Are you using that feature? Might that be why > some mail is routed via the smarthost and some not? > In postfix, it's "relayhost=mail.my-isp.tld" If that's not working then he has a conflict in the transport table or he has it in brackets which eliminates DNS lookups. -- Total Quality Management - A Commitment to Excellence Fight Spam: http://www.tqmcube.com/rbldnsd.htm Daily Updates: http://www.tqmcube.com/spam_trap.htm