Sam wrote: > Diego Puertas writes: > > > When I put wrong email adresses (i.e.: "|/sbin/mkmess [EMAIL PROTECTED]" , or > > "//@%^&*|" ) in the mail from command of a qmail server, the server does > > not protest, as sendmail does. Postfix does the same as qmail. > > > > What are the reasons and beneficts of this behaviour? > > The server saves about .25 seconds by not issuing an extra DNS lookup. > > -- > Sam But, in the case of sendmail, does the server makes a DNS look up or just check that the adress format is valid?
