On Tue, 31 Dec 2002, Wayne wrote: > > >>> RCPT To:<flatlander at hamilton.net> > ><<< 554 5.7.1 Invalid response <empty> from SMTP server 554 5.0.0 Are you using MIMEDefang 2.28? An invalid response from SMTP server should be a tempfail condition, not a reject condition. Regards, David.