[CentOS] Mail forwarding on a dynamic IP address.

Mon Oct 23 17:30:34 UTC 2006
Alain Spineux <aspineux at gmail.com>

The validity of a dyn dns address is 60sec, this is small enough to be
invisible to email users ! This is not a probleme.

BUT openvpn is a very very good tools,  and will heve all the advantage of a
permanent VPN between both sites.

On 10/19/06, Fabian Arrotin <fabian.arrotin at arrfab.net> wrote:
> On Thu, 2006-10-19 at 18:04 +0400, Rajeev R Veedu wrote:
> > I have a Cyrus installation with postfix and openXchange. I get the
> > mails from catchall account with procmail and distribute with the mail
> > server. Now I have a new site office where couples of staff members
> > are going to be relocated.
> >
> > Since we have only an ADSL line on site office if there any way I
> > could forward the mails for these staff members to another Mail Server
> > with dynamic IP address?
> I don't think that using a dynamic address is a good thing (because of
> the delay between your ip changes and the time you register it with
> dyndns for example) ...
> But if you use a vpn tunnel between the two machines (with openvpn)
> you'll be able to always specify a static ip address (on your remote lan
> and not your wan) as destination .
> Openvpn has interesting features like persist-tun to be sure that even
> if the computer has a dynamic address the tunnel will be restablished
> automagically ...
> --
> Fabian Arrotin <fabian.arrotin at arrfab.net>
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Alain Spineux
aspineux gmail com
May the sources be with you
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