[EMAIL PROTECTED] wrote:
>
> How can I configure my Linux box to act as a fallback host for my client? Just like
>what the ISP does. In case my client's SMTP server was down, all the emails under
>his domain will fall into my SMTP server.
> My brief concept is like:
> 1. Add the necessary MX record
> 2. My SMTP server accepts emails from client domain.
> 3. Periodically probe my client's SMTP server. If it is normal again, fallback all
>the emails to its server.
>
> Any steps that I miss, please feel free to comment.
Actually, the MX records also record a "preference" for the multiple
mail servers listed for a domain. The one with the lowest number
(that's reachable) is used. Look into the DNS and Bind book from
O'Reilly and Associates for more detailed information.
--
Steve Philp "The Internet is like crack
Network Administrator for smart people..."
Advance Packaging Corporation --Arsenio Hall
[EMAIL PROTECTED]