----- Original Message -----
From: Nissim Penias <[EMAIL PROTECTED]>
To: Charles Cazabon <[EMAIL PROTECTED]>
Sent: Monday, April 30, 2001 4:40 PM
Subject: Re: username@domain@domain relay hole !
>
> ----- Original Message -----
> From: Charles Cazabon <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Monday, April 30, 2001 4:20 PM
> Subject: Re: username@domain@domain relay hole !
>
>
> > Nissim Penias <[EMAIL PROTECTED]> wrote:
> > >
> > > I have recently installed a new qmail server an i am interested in
> working
> > > with soon but i figured out that qmail doesn't solve the situation of
> > > relaying this address type:
> > >
> > > username@domain@domain
> > [...]
> > > I am sure that you all concerned about this as I do because it makes
> your
> > > server an open relay to this trick .
> >
> > No, it doesn't. What makes you think it does? To qmail, there's
nothing
> > special about an '@' symbol inside the local-part of an email address.
> > For example, a message to <foo@[EMAIL PROTECTED]>, handled by a qmail server
> which
> > handles mail for baz.net, will be delivered to local user "foo@bar". If
> you
> > don't have such a user, the message will bounce.
> >
> > In no circumstances will the message be relayed to the server which
> handles
> > mail for domain "bar".
> >
> > Charles
> > --
> > -----------------------------------------------------------------------
> > Charles Cazabon <[EMAIL PROTECTED]>
> > GPL'ed software available at: http://www.qcc.sk.ca/~charlesc/software/
> > Any opinions expressed are just that -- my opinions.
> > -----------------------------------------------------------------------
> >
>
> Hello Charles ,
>
> What I meen is that if I am sending mail using the SMTP protocol
> telnet mailserver 25 ) and
> I am using address foo@[EMAIL PROTECTED] and I am holding kuku.com the mail
> will be relayed
> from my mail server kuku.com to foo@bar .
>
> I tried it and the qmail-smtpd log says delivering foo@bar insted of
> dropping it .
>
> This meens that users outside my domain can use any qmail server this
> way to relay to outside
> existing adresses .
>
> Thanks ,
> Nissim .
>
