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@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@arrfab.net
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