It's not probably a bad idea, its a Very Bad Idea (tm).
The whole point of IP addresses is unique identification of networked
servers.
> -----Original Message-----
> From: rjj [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, 10 May 2001 1:41 PM
> To: [EMAIL PROTECTED]
> Subject: RE: [IMail Forum] Accepting Mail addressed to an IP address
>
>
> I was just using it temporarily to test the id's via
> telnet. It gets turned off after my testing but thanks
> for the double check!
>
> I just did a test by binding my outside (router) IP
> address to the internal Imail server's NIC card as a
> secondary IP. That resolved the problem. Probably a
> bad idea to have that IP defined on two different
> peices of equipment, but they should not interact via
> that address, so I think it will be okay. Only time
> will tell.
>
> Thanks for the advice!
> --- Baden Hughes <[EMAIL PROTECTED]> wrote:
> >
> > we have not been using vrfy, just sending and
> > re-routing mail and via both
> > of those mechanisms, ip addressed mail works fine.
> >
> > most people have vrfy turned off as it exposes valid
> > userids to an external
> > party who could query a long list of suspected
> > userids for confirmation
> >
> >
> > > -----Original Message-----
> > > From: rjj [mailto:[EMAIL PROTECTED]]
> > > Sent: Thursday, 10 May 2001 1:17 PM
> > > To: [EMAIL PROTECTED]
> > > Subject: RE: [IMail Forum] Accepting Mail
> > addressed to an IP address
> > >
> > >
> > > I found if I telnet from a trusted connection
> > behind
> > > the firewall it will accept the vrfy. However,
> > from
> > > the outside it will not. I do not understand why
> > but
> > > something causes it to reject it.
> > >
> > > If I add relaying for the outside address sending
> > to
> > > me (5.7.x.x) then Imail SMTP takes the message but
> > the
> > > Imail SMTP server then tries to relay the message
> > to
> > > the destination IP (4.33.x.x) originally addressed
> > and
> > > it rejects it.
> > >
> > >
> > > --- Baden Hughes <[EMAIL PROTECTED]>
> > wrote:
> > > >
> > > > We did precisely nothing to make this work.
> > Straight
> > > > out of the box IMail
> > > > 6.606 with all patches, Win 2K server.
> > > >
> > > > I suspect something with regard to your non
> > routable
> > > > addresses, maybe ???
> > > >
> > > > Baden
> > > >
> > > > > -----Original Message-----
> > > > > From: rjj [mailto:[EMAIL PROTECTED]]
> > > > > Sent: Thursday, 10 May 2001 11:58 AM
> > > > > To: [EMAIL PROTECTED]
> > > > > Subject: RE: [IMail Forum] Accepting Mail
> > > > addressed to an IP address
> > > > >
> > > > >
> > > > > Our testing shows the following error:
> > > > > 550 not local host [x.x.x.x], not a gateway
> > > > >
> > > > > What did you have to configure to get it to
> > accept
> > > > the
> > > > > IP address (keep in mind the ip address of our
> > box
> > > > is
> > > > > a non routable (192.168.20.x) and the ip
> > address
> > > > of
> > > > > the router/firewall we are sending to is on
> > the
> > > > > outside (4.33.xxx.xxx)
> > > > >
> > > > > The firewall/router routes all port 25 traffic
> > to
> > > > the
> > > > > internal address.
> > > > >
> > > > > Even a direct telnet and issuing of the VRFY
> > > > command
> > > > > gives the 550 error.
> > > > >
> > > > > Thanks,
> > > > > Robert
> > > > > --- Baden Hughes <[EMAIL PROTECTED]>
> > > > wrote:
> > > > > >
> > > > > > Imail does accept mail for [EMAIL PROTECTED]
> > and
> > > > > > user@[ip.ip.ip.ip] - we've
> > > > > > been using user@ip as a migration mechanism.
> > > > > >
> > > > > > Most MTA's accept both these days.
> > > > > >
> > > > > > Baden
> > > > > >
> > > > > > > -----Original Message-----
> > > > > > > From: Scott Perry
> > > > [mailto:[EMAIL PROTECTED]]
> > > > > > > Sent: Thursday, 10 May 2001 5:31 AM
> > > > > > > To: [EMAIL PROTECTED]
> > > > > > > Subject: Re: [IMail Forum] Accepting Mail
> > > > > > addressed to an IP address
> > > > > > >
> > > > > > >
> > > > > > > > I know addressing mail based on IP does
> > not
> > > > > > follow
> > > > > > > > RFC, but he will not be giving the
> > address
> > > > out
> > > > > > to
> > > > > > > > anyone (the forwarding account will deal
> > > > with
> > > > > > it).
> > > > > > >
> > > > > > > Actually, the RFCs *do* allow for mail
> > sent to
> > > > IP
> > > > > > addresses....
> > > > > > >
> > > > > > > > Is there any way to fool Imail into
> > > > accepting
> > > > > > mail at
> > > > > > > > an ip address (i.e.: [EMAIL PROTECTED])?
> > > > > > >
> > > > > > > The proper format would be
> > > > "user@[4.7.11.132]".
> > > > > > And I
> > > > > > > believe mail servers are expected to
> > accept
> > > > E-mail
> > > > > > sent via
> > > > > > > IP. However, I haven't tested this with
> > > > IMail.
> > > > > > >
> > > > > > >
> > > > > > > --
> > > > > > > -Scott
> > > > > > >
> > > > > > > Declude: Anti-virus and Anti-spam
> > solutions
> > > > for
> > > > > > IMail.
> > > > > > > http://www.declude.com
> > > > > > > --
> > > > > > >
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> > > > > >
> > > >
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