On Tuesday 13 October 2009 15:40:32 Iseli, Erich wrote: > > I then had a look at the messages kept in /var/spool/postfix/hold with > postcat and I couldn't believe my eyes: actually postfix must be mangling > something since the "from"-address is absolutely correct!
> sender: @domain.com The sender is blank, which is what Exchange is complaining about.