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From: Grant Taylor on 27 Jul 2010 10:42
P.S. Detailed and open ended question, but not stupid.
From: Steve on 27 Jul 2010 15:04
Grant Taylor wrote:

> P.S. Detailed and open ended question, but not stupid.


Thanks Grant.

Well, I think that the best (in my situation ) is to have a backup server
email, which can keep the email while fixing the main server.
As soon as the primary server is back online, I should forward the email to
the primary server
I tink that this way, that would be hassle free. Otherwise, I would need to
maintain, update the second server.

I have only one Wan IP

The router can manage ports and LAN IP Addresses, but I suppose that I
cannot use this technics for different ports ?!
Any incoming email from the WAN is going to the port 25 ONLY ???!?

I fear that there is no real possibilities if I don't have another WAN

Today, I am using Virtualization, so it's quite easy to get 2 servers up and
running. This could allow me to back up one server and let the second one,
managing incoming emails....





From: Grant Taylor on 27 Jul 2010 15:50
On 07/27/10 14:04, Steve wrote:
> Thanks Grant.

You are welcome.

> Well, I think that the best (in my situation ) is to have a backup
> server email, which can keep the email while fixing the main server.
> As soon as the primary server is back online, I should forward the
> email to the primary server I tink that this way, that would be
> hassle free. Otherwise, I would need to maintain, update the second
> server.

What you are talking about is the traditional (backup) relay mail
server. Setting a server up to be a traditional (backup) relay mail
server is easy to do. You simply tell the server that it is a relay for
the domain(s) in question and get mail to it.

> I have only one Wan IP

That may be a problem. With one WAN IP, you are stuck doing other
""interesting things to route the SMTP traffic.

> The router can manage ports and LAN IP Addresses, but I suppose that
> I cannot use this technics for different ports ?! Any incoming email
> from the WAN is going to the port 25 ONLY ???!?

Depending on the capabilities of your router, you may be able to have
the SMTP traffic go to a different internal IP and / or port.

> I fear that there is no real possibilities if I don't have another
> WAN

You can always have your second mail server up and running and
re-configure your router to point SMTP traffic to it in the event of a
failure on the primary server.

> Today, I am using Virtualization, so it's quite easy to get 2 servers
> up and running. This could allow me to back up one server and let the
> second one, managing incoming emails....

*nod*



Grant. . . .
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